Building under construction using modern machinery in the Kingdom of Saudi Arabia, implementation of the reconstruction plan and forming the metal structure, construction works, pouring concrete and laying foundations, heavy machinery and equipment, cranes and high scaffolding, the concept of structural and architectural engineering
Increasing green spaces surrounding residential buildings, the concept of structural and architectural engineering, construction cranes, pouring concrete and laying foundations, implementing the reconstruction plan and forming the metal structure, a modern building under construction, urban expansion in the Kingdom of Saudi Arabia
Use of modern machinery in Saudi Arabia, implementation of reconstruction plan, construction works, pouring concrete and laying foundations, heavy machinery and equipment, cranes and high scaffolding, concept of structural and architectural engineering, silhouette of a building under construction with a sky full of clouds
Multi-storey building under construction in Saudi Arabia, construction site crowded with heavy machinery and equipment, excavators, cranes and high scaffolding, structural and architectural engineering concept, construction works, concrete pouring and foundation laying, implementation of construction plan and metal structure formation
A construction site crowded with machinery, heavy equipment, cranes and high scaffolding, construction work, pouring concrete and laying foundations, a building under construction in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering, implementing the reconstruction plan and forming the metal structure
Urban expansion in Saudi Arabia, concept of structural and architectural engineering, construction cranes, concrete pouring and foundation laying, implementation of construction plan and metal structure formation, modern building under construction
Heavy machinery and equipment, cranes and high scaffolding, concept of structural and architectural engineering, construction works, concrete pouring and foundation laying, implementation of the construction plan and forming the metal structure, tower under construction using modern machinery, building under construction in the Kingdom of Saudi Arabia
Construction work, pouring concrete and laying foundations, implementing the reconstruction plan and forming the metal structure, the concept of structural and architectural engineering, a building under construction in the Kingdom of Saudi Arabia, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding.
Construction work, pouring concrete and laying foundations, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, a building under construction in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering, implementing the reconstruction plan and forming the metal structure
Large construction site with construction cranes, heavy machinery and trucks, structural and architectural engineering concept, concrete pouring and foundation laying, construction plan implementation and metal structure formation, urban expansion in Saudi Arabia
Construction cranes are working on building a new facility in Saudi Arabia, Infrastructure development concept, Implementation of construction plan and metal structure formation, Heavy machinery and equipment, Cranes and high scaffolding, Construction and concrete pouring works
Concept of structural and architectural engineering, building under construction in Saudi Arabia, close-up of heavy machinery and equipment, cranes and high scaffolding, construction works, concrete pouring and foundation laying, implementation of construction plan and metal structure formation
Construction works, concrete pouring and foundation laying, construction site crowded with heavy machinery and equipment, cranes and high scaffolding, building under construction in Saudi Arabia, concept of structural and architectural engineering, implementation of construction plan and forming of metal structure
Building under construction in UAE, Heavy machinery and equipment, Cranes and high scaffolding, Concept of structural and architectural engineering, Construction works, concrete pouring and foundation laying, Implementation of construction plan and formation of metal structure, Tower under construction using modern machinery
Building under construction in Saudi Arabia during daytime, heavy machinery and equipment, cranes and high scaffolding, concept of structural and architectural engineering, implementation of construction plan and forming of metal structure, construction works, pouring concrete and laying foundations, tower under construction using modern machinery
Construction work, pouring concrete and laying foundations, implementing the reconstruction plan and forming the metal structure, the concept of structural and architectural engineering, a building under construction in the Kingdom of Saudi Arabia, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding.
Heavy machinery and equipment, cranes and high scaffolding, building under construction in Saudi Arabia, concept of structural and architectural engineering, construction works, concrete pouring and foundation laying, implementation of construction plan and metal structure formation
A building under construction in the Kingdom of Saudi Arabia, heavy machinery and equipment, cranes and high scaffolding, the concept of structural and architectural engineering, construction work, pouring concrete and laying foundations, implementing the reconstruction plan and forming the metal structure, a tower under construction using modern mechanisms
Construction works, concrete pouring and foundation laying, building under construction in Saudi Arabia during daytime, heavy machinery and equipment, cranes and high scaffolding, concept of structural and architectural engineering, implementation of construction plan and forming of metal structure, tower under construction using modern machinery
Construction work, pouring concrete and laying foundations, implementing the reconstruction plan and forming the metal structure, the concept of structural and architectural engineering, a building under construction in the Kingdom of Saudi Arabia, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding.
Building under construction in Saudi Arabia, Heavy machinery and equipment, cranes and high scaffolding, Concept of structural and architectural engineering, Construction works, concrete pouring and foundation laying, Implementation of construction plan and formation of metal structure, Tower under construction using modern machinery
Construction work, pouring concrete and laying foundations, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, a building under construction in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering, implementing the reconstruction plan and forming the metal structure
Bulldozers, cranes and high scaffolding on the work site, implementation of the construction plan and formation of the initial metal structure, construction works, pouring concrete and laying foundations, heavy machinery and equipment, building under construction in Saudi Arabia, concept of structural and architectural engineering
Building under construction using modern machinery in the Kingdom of Saudi Arabia, implementation of the reconstruction plan and forming the metal structure, construction works, pouring concrete and laying foundations, heavy machinery and equipment, cranes and high scaffolding, the concept of structural and architectural engineering
A construction site crowded with machinery, heavy equipment, cranes and high scaffolding, construction work, pouring concrete and laying foundations, a building under construction in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering, implementing the reconstruction plan and forming the metal structure
Tower under construction using modern machinery in Saudi Arabia, construction works, pouring concrete and laying foundations, implementing the reconstruction plan and forming the metal structure, silhouette of heavy machinery and equipment, cranes and high scaffolding, concept of structural and architectural engineering
Concept of structural and architectural engineering, implementation of construction plan and formation of metal structure, construction works, pouring concrete and laying foundations, heavy machinery and equipment, cranes and high scaffolding, black and white image of a building under construction in the Kingdom of Saudi ArabiaConcept of structural and architectural engineering, implementation of construction plan and formation of metal structure, construction works, pouring concrete and laying
Structural and architectural engineering concept, a building under construction in the Kingdom of Saudi Arabia, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, construction work, pouring concrete and laying foundations, implementing the reconstruction plan and forming the metal structure
A building under construction in the Kingdom of Saudi Arabia, construction work, pouring concrete and laying foundations, heavy machinery and equipment, cranes and high scaffolding, the concept of structural and architectural engineering, implementing the reconstruction plan and forming the metal structure, a tower under construction against the blue sky using modern mechanisms
Construction works, concrete pouring and foundation laying, heavy machinery and equipment, cranes and high scaffolding, building under construction in Saudi Arabia, concept of structural and architectural engineering, implementation of construction plan and formation of metal structure
Implementing the reconstruction plan and forming the metal structure, a modern building under construction, urban expansion in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering, construction cranes, pouring concrete and laying foundations
Silhouette of a building under construction in Saudi Arabia, concept of structural and architectural engineering, group of workers implementing the construction plan and forming the metal structure, construction works, pouring concrete and laying foundations, heavy machinery and equipment, cranes and high scaffolding, Saluit
Implementation of the reconstruction plan and formation of the metal structure, a modern building under construction, urban expansion in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering, construction works, pouring concrete and laying foundations
Construction works, concrete pouring and foundation laying, heavy machinery and equipment, cranes and high scaffolding, bottom view of a building under construction in Saudi Arabia, concept of structural and architectural engineering, implementation of the construction plan and forming the metal structure
Construction work, pouring concrete and laying foundations, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, a building under construction in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering, implementing the reconstruction plan and forming the metal structure
Construction works, concrete pouring and foundation laying, implementation of reconstruction plan and metal structure formation, building under construction in Saudi Arabia, heavy machinery and equipment, cranes and high scaffolding, concept of structural and architectural engineering, tower under construction using modern machinery
Building under construction using modern machinery in the Kingdom of Saudi Arabia, implementation of the reconstruction plan and forming the metal structure, construction works, pouring concrete and laying foundations, heavy machinery and equipment, cranes and high scaffolding, the concept of structural and architectural engineering
Implementation of the reconstruction plan and forming the metal structure, construction cranes and pouring concrete over modern buildings under construction, Saudi urban development and progress, improving and developing the infrastructure in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering
Implementation of the reconstruction plan and the formation of the metal structure, a modern building under construction, urban expansion in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering, construction cranes, pouring concrete and laying foundations
Tower under construction using modern machinery, heavy machinery and equipment, cranes and high scaffolding, concept of structural and architectural engineering, building under construction in Saudi Arabia, construction works, concrete pouring and foundation laying, implementation of construction plan and formation of metal structure
Machinery, heavy equipment, cranes and high scaffolding, a building under construction in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering, construction work, pouring concrete and laying foundations, implementing the reconstruction plan and forming the metal structure, a tower under construction using modern mechanisms
Construction works, concrete pouring and foundation laying, heavy machinery and equipment, cranes and high scaffolding, building under construction in Saudi Arabia, concept of structural and architectural engineering, implementation of construction plan and formation of metal structure
Implementing the reconstruction plan and forming the metal structure, the concept of structural and architectural engineering, a building under construction in the Kingdom of Saudi Arabia, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, construction work, pouring concrete and laying foundations
Machinery, heavy equipment, cranes and high scaffolding, the concept of structural and architectural engineering, a building under construction in the Kingdom of Saudi Arabia, construction work, pouring concrete and laying foundations, implementing the reconstruction plan and forming the metal structure, a tower under construction using modern mechanisms
Heavy machinery and equipment, cranes and high scaffolding, concept of structural and architectural engineering, building under construction in Saudi Arabia during daytime, implementation of construction plan and forming of metal structure, construction works, pouring concrete and laying foundations, tower under construction using modern machinery
Implementation of the reconstruction plan and formation of the metal structure, a modern building under construction, urban expansion in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering, construction works, pouring concrete and laying foundations
Construction works, concrete pouring and foundation laying, heavy machinery and equipment, cranes and high scaffolding, building under construction in Saudi Arabia, concept of structural and architectural engineering, implementation of construction plan and formation of metal structure
Construction work, pouring concrete and laying foundations, a building under construction in the Kingdom of Saudi Arabia, heavy machinery and equipment, cranes and high scaffolding, the concept of structural and architectural engineering, implementing the reconstruction plan and forming the metal structure, a tower under construction using modern mechanisms
Urban expansion in Saudi Arabia, concept of structural and architectural engineering, construction cranes, concrete pouring and foundation laying, implementation of construction plan and metal structure formation, modern building under construction
Construction works, concrete pouring and foundation laying, building under construction in UAE, heavy machinery and equipment, cranes and high scaffolding, concept of structural and architectural engineering, implementation of construction plan and forming of metal structure, tower under construction using modern machinery
Construction work, pouring concrete and laying foundations, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, a building under construction in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering, implementing the reconstruction plan and forming the metal structure
Urban expansion in Saudi Arabia, concept of structural and architectural engineering, panoramic image of modern buildings and facilities under construction, construction cranes, concrete pouring and foundation laying, implementation of construction plan and metal structure formation
Building under construction in Saudi Arabia at sunset, concept of structural and architectural engineering, heavy equipment, cranes and high scaffolding, construction works, concrete pouring and foundation laying, implementation of construction plan and forming metal structure, tower under construction using modern machinery
Construction work, pouring concrete and laying foundations, implementing the reconstruction plan and forming the metal structure, the concept of structural and architectural engineering, a building under construction in the Kingdom of Saudi Arabia, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding.
Implementing the construction plan and forming the metal structure, heavy equipment, cranes and high scaffolding used in the project site, construction works, pouring concrete and laying the initial foundations, Saudi Arabian Gulf workers wearing protective jackets and helmets working in a building under construction and erection
Heavy equipment, cranes and high scaffolding, building under construction in Saudi Arabia at sunset, concept of structural and architectural engineering, construction works, concrete pouring and foundation laying, implementation of construction plan and forming metal structure, tower under construction using modern machinery
Structural and architectural engineering concept, a building under construction in the Kingdom of Saudi Arabia, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, construction work, pouring concrete and laying foundations, implementing the reconstruction plan and forming the metal structure
Implementation of the reconstruction plan and forming the metal structure, construction crane and pouring concrete over a modern building under construction, Saudi urban development and progress, improving and developing the infrastructure in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering
Construction site crowded with heavy machinery, equipment, cranes and high scaffolding, construction work, concrete pouring and foundation laying, building under construction in Saudi Arabia, structural and architectural engineering concept, construction plan implementation and metal structure formation
Bulldozers, cranes and high scaffolding on the work site, implementation of the construction plan and formation of the initial metal structure, construction works, pouring concrete and laying foundations, heavy machinery and equipment, building under construction in Saudi Arabia, concept of structural and architectural engineering
Civilization, development and urban progress in the Kingdom of Saudi Arabia, an aerial photo of a group of residential buildings under construction, improving and developing the infrastructure, the concept of structural and architectural engineering, implementing the reconstruction plan and forming the metal structure, construction cranes, pouring concrete and laying foundations
Construction works, concrete pouring and foundation laying, heavy machinery and equipment, cranes and high scaffolding, building under construction in Saudi Arabia, concept of structural and architectural engineering, implementation of construction plan and formation of metal structure
Heavy equipment, cranes and high scaffolding, building under construction in Saudi Arabia at sunset, concept of structural and architectural engineering, construction works, concrete pouring and foundation laying, implementation of construction plan and forming metal structure, tower under construction using modern machinery
A building under construction in the Kingdom of Saudi Arabia, heavy machinery and equipment, cranes and high scaffolding, the concept of structural and architectural engineering, construction work, pouring concrete and laying foundations, implementing the reconstruction plan and forming the metal structure, a tower under construction using modern mechanisms
Construction of foundations and structures for residential projects and factories, construction of buildings and mega projects, concept of improving the country's infrastructure, construction, contracting and real estate development works, architectural and urban development in the Kingdom of Saudi Arabia, cranes, scaffolding and machinery at the construction site
The concept of structural and architectural engineering, construction works, concrete pouring and foundation laying, implementation of the construction plan and forming the metal structure, a tower under construction using modern machinery, a building under construction in the Kingdom of Saudi Arabia, heavy machinery and equipment, cranes and high scaffolding
Construction site at sunset, use of modern machinery in Saudi Arabia, implementation of construction plan and formation of metal structure, construction works, pouring concrete and laying foundations, heavy machinery and equipment, cranes and high scaffolding, concept of structural and architectural engineering
Construction site crowded with heavy machinery and equipment, excavators, cranes and high scaffolding, structural and architectural engineering concept, building under construction in Saudi Arabia, construction works, concrete pouring and foundation laying, implementation of construction plan and forming of metal structure
A construction site crowded with machinery, heavy equipment, cranes and high scaffolding, construction work, pouring concrete and laying foundations, a building under construction in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering, implementing the reconstruction plan and forming the metal structure
A construction site crowded with machinery, heavy equipment, cranes and high scaffolding, construction work, pouring concrete and laying foundations, implementing the reconstruction plan and forming the metal structure, the concept of structural and architectural engineering, a building under construction in the Kingdom of Saudi Arabia
Machinery, heavy equipment, cranes and high scaffolding, the concept of structural and architectural engineering, a building under construction in the Kingdom of Saudi Arabia, construction work, pouring concrete and laying foundations, implementing the reconstruction plan and forming the metal structure, a tower under construction using modern mechanisms
Concept of structural and architectural engineering, construction cranes, concrete pouring and foundation laying, implementation of construction plan and metal structure formation, modern building under construction, urban expansion in the Kingdom of Saudi Arabia
Building under construction in Saudi Arabia at sunset, concept of structural and architectural engineering, heavy equipment, cranes and high scaffolding, construction works, concrete pouring and foundation laying, implementation of construction plan and forming metal structure, tower under construction using modern machinery
Implementing the reconstruction plan and forming the metal structure, the concept of structural and architectural engineering, a building under construction in the Kingdom of Saudi Arabia, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, construction work, pouring concrete and laying foundations
Construction works, concrete pouring and foundation laying, implementation of reconstruction plan and metal structure formation, building under construction in Saudi Arabia, heavy machinery and equipment, cranes and high scaffolding, concept of structural and architectural engineering, tower under construction using modern machinery
Tower under construction using modern machinery, concept of structural and architectural engineering, building under construction in Saudi Arabia, construction works, concrete pouring and foundation laying, implementation of construction plan and metal structure formation, heavy machinery and equipment, cranes and high scaffolding
Saudi urban development and progress, improving and developing the infrastructure in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering, implementing the reconstruction plan and forming the metal structure, a construction crane and pouring concrete over a modern building under construction
Construction of foundations and structures for residential projects and factories, construction of buildings and mega projects, concept of improving the country's infrastructure, construction, contracting and real estate development works, architectural and urban development in the Kingdom of Saudi Arabia, cranes, scaffolding and machinery at the construction site
Clear sky view during day, buildings and skyscrapers on a construction site in Saudi Arabia, work on developing and improving the country, concept of structural and architectural engineering, implementation of construction plan and forming of metal structure, construction cranes and concrete pouring
Construction and concrete pouring cranes, skyscrapers and towers on a site under construction in Saudi Arabia, working on developing and improving the country, the concept of structural and architectural engineering, implementing the construction plan and forming the metal structure
Tower under construction using modern machinery in Saudi Arabia, construction works, pouring concrete and laying foundations, implementing the reconstruction plan and forming the metal structure, silhouette of heavy machinery and equipment, cranes and high scaffolding, concept of structural and architectural engineering
Building under construction in Saudi Arabia, Heavy machinery and equipment, cranes and high scaffolding, Concept of structural and architectural engineering, Construction works, concrete pouring and foundation laying, Implementation of construction plan and formation of metal structure, Tower under construction using modern machinery
Use of modern machinery in Saudi Arabia, implementation of reconstruction plan, construction works, pouring concrete and laying foundations, heavy machinery and equipment, cranes and high scaffolding, concept of structural and architectural engineering, silhouette of a building under construction with a sky full of clouds
Machinery, heavy equipment, cranes and high scaffolding, a building under construction in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering, construction work, pouring concrete and laying foundations, implementing the reconstruction plan and forming the metal structure, a tower under construction using modern mechanisms
A construction site crowded with machinery, heavy equipment, cranes and high scaffolding, construction work, pouring concrete and laying foundations, a building under construction in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering, implementing the reconstruction plan and forming the metal structure
Heavy machinery and equipment, cranes and high scaffolding, building under construction in Saudi Arabia, concept of structural and architectural engineering, construction works, concrete pouring and foundation laying, implementation of construction plan and metal structure formation
Construction work, pouring concrete and laying foundations, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, a building under construction in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering, implementing the reconstruction plan and forming the metal structure
Building the main façade and implementing the reconstruction plan by forming the basic structure of the building, a skyscraper under construction in the Kingdom of Saudi Arabia, heavy machinery and equipment, cranes and high scaffolding, the concept of structural and architectural engineering, a tower under construction using modern mechanisms
Building under construction in an urban area, urban expansion in Saudi Arabia, concept of structural and architectural engineering, construction works, concrete pouring and foundation laying, implementation of the construction plan and formation of the metal structure
Heavy machinery and equipment, cranes and high scaffolding, concept of structural and architectural engineering, building under construction in Saudi Arabia, construction works, concrete pouring and foundation laying, implementation of construction plan and forming of metal structure, tower under construction using modern machinery
Large construction site with construction cranes, heavy machinery and trucks, structural and architectural engineering concept, concrete pouring and foundation laying, construction plan implementation and metal structure formation, urban expansion in Saudi Arabia
Structural and architectural engineering concept, a building under construction in the Kingdom of Saudi Arabia, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, construction work, pouring concrete and laying foundations, implementing the reconstruction plan and forming the metal structure
Construction work, pouring concrete and laying foundations, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, a building under construction in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering, implementing the reconstruction plan and forming the metal structure
The concept of structural and architectural engineering, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, construction work, pouring concrete and laying foundations, implementing the reconstruction plan and forming the metal structure
Large industrial facility with tall towers and pipes in a desert area, structural and architectural engineering concept, construction works, concrete pouring and foundation laying, implementation of construction plan and metal structure formation
The concept of structural and architectural engineering, construction works, concrete pouring and foundation laying, implementation of the construction plan and forming the metal structure, a tower under construction using modern machinery, a building under construction in the Kingdom of Saudi Arabia, heavy machinery and equipment, cranes and high scaffolding
Construction site crowded with heavy machinery, equipment, cranes and high scaffolding, construction work, concrete pouring and foundation laying, building under construction in Saudi Arabia, structural and architectural engineering concept, construction plan implementation and metal structure formation
Structural and architectural engineering concept, a building under construction in the Kingdom of Saudi Arabia, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, construction work, pouring concrete and laying foundations, implementing the reconstruction plan and forming the metal structure
Implementation of construction plan and formation of metal structure, construction works, pouring concrete and laying foundations, building under construction in Saudi Arabia during daytime, heavy machinery and equipment, cranes and high scaffolding, concept of structural and architectural engineering, tower under construction using modern machinery
Construction works, concrete pouring and foundation laying, implementation of the reconstruction plan and forming the metal structure, a building under construction in an urban area, urban expansion in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering
A building under construction in the Kingdom of Saudi Arabia, heavy machinery and equipment, cranes and high scaffolding, the concept of structural and architectural engineering, construction work, pouring concrete and laying foundations, implementing the reconstruction plan and forming the metal structure, a tower under construction using modern mechanisms
Silhouette of a building under construction in Saudi Arabia, concept of structural and architectural engineering, group of workers implementing the construction plan and forming the metal structure, construction works, pouring concrete and laying foundations, heavy machinery and equipment, cranes and high scaffolding, Saluit
Yellow crane lifting materials at construction site, use of modern machinery in Saudi Arabia, implementation of construction plan and forming metal structure, construction works, pouring concrete and laying foundations, heavy machinery and equipment, cranes and high scaffolding, concept of construction and architectural engineering
Construction work, pouring concrete and laying foundations, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, a building under construction in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering, implementing the reconstruction plan and forming the metal structure
Construction works, pouring concrete and laying primary foundations, implementing the reconstruction plan and forming the metal structure, heavy machinery and equipment, cranes and high scaffolding, a Saudi Arabian Gulf worker wearing a protective jacket and helmet is working in a building under construction in the Kingdom of Saudi Arabia
The concept of structural and architectural engineering, implementation of the construction plan and formation of the metal structure, urban development and progress, construction works, pouring concrete and laying foundations, heavy machinery and equipment, a building under construction in the Kingdom of Saudi Arabia