mosque sacred

Muslim pilgrims in Ihram dress performing Hajj, performing the rituals of Hajj and Umrah, the clock tower in the Great Mosque of Mecca, the Kaaba in Makkah Al-Mukarramah in the Kingdom of Saudi Arabia, worship and getting closer to God, Islam and worship

A close-up depiction of pilgrims stoning Satan on one of the pillars of the wall (Jamarat) in Mina in the Kingdom of Saudi Arabia, a destination for Muslims from all over the world, sacred Islamic religious landmarks and places, performing the rituals of completing the Hajj and worship and getting closer to God Almighty.

Interior designs and decorations in the Arab Islamic style, the honorable kindergarten inside the Prophet’s Mosque, performing prayers in the Prophet’s Mosque in Medina, worship and getting closer to God, sacred religious places and landmarks in the Kingdom of Saudi Arabia

The Kaaba in Makkah Al-Mukarramah in the Kingdom of Saudi Arabia, pilgrims of the Sacred House of God in the courtyards of the Holy Mosque of Mecca, performing the rituals of Hajj and Umrah, sacred Islamic religious places and monuments

Famous sacred Islamic religious landmarks and places, timelapse of sunset on the Royal Clock Tower building in Mecca in the Kingdom of Saudi Arabia, distinctive engineering and architectural arts and designs, towers of the Holy Mosque of Mecca

Muslim pilgrims circumambulate around the Holy Kaaba in Mecca, drone photography from inside the Holy Mosque of Mecca in the Kingdom of Saudi Arabia, performing Hajj and Umrah rituals, worship and getting closer to God, Islamic religious landmarks, Hajj season

Spray columns and water mist sprayers to soften the atmosphere for pilgrims in the Holy Sites, the preparation of pilgrims to the Sacred House of God for exodus, care and attention in the holy places in Saudi Arabia, worship and getting closer to God, the white tents area in Mina in Mecca.

Islamic architectural style of Al Rahim Mosque overlooking Dubai Marina, urban growth and development of domes and minarets, interest in palm tree cultivation, sacred religious places and landmarks in the United Arab Emirates

Islamic engineering architecture, horizontal and vertical close-up of the Quba Mosque in Medina in the Kingdom of Saudi Arabia, sacred religious monuments, an ancient archaeological historical mosque, Islamic architecture in Saudi Arabia

Performing the rituals of Hajj and Umrah, pilgrims of the Sacred House of God in the courtyards of the Holy Mosque of Mecca, the Kaaba in Mecca in the Kingdom of Saudi Arabia, sacred Islamic religious places and monuments

Islamic religious places and landmarks, modern decorations and designs of minarets, domes and mosques, 3D illustrations of the mosque, modern architectural art of mosques, worship and getting closer to God Almighty

Increasing the remembrance of God Almighty, a depiction from the back of a young Arab Gulf Saudi Muslim raising his hand to the top, seeking forgiveness, supplication and diligence in worship and drawing closer to God, the Noble Prophet’s Mosque in Medina

A group of worshipers and visitors inside the Quba Mosque in Medina in the Kingdom of Saudi Arabia, worship and closeness to God, sacred religious monuments, famous tourist archaeological sites, decorations and ancient historical Islamic architecture

Worship and getting closer to God Almighty, the destination of Muslims from different countries to perform Hajj and Umrah rituals, the spiritual Islamic atmosphere, drone photography of the circumambulation of pilgrims and Umrah pilgrims around the Holy Kaaba in Mecca in the Kingdom of Saudi Arabia, sacred religious places and landmarks

The preparation of the pilgrims to the Sacred House of God to depart, the spiritual atmosphere during the Hajj season in Saudi Arabia, performing the rituals of Hajj and Umrah, worship and getting closer to God, close-up aerial drone photography of the pilgrims’ overnight stay in the white tents area in Mina’s shrine in Mecca, sacred Islamic landmarks and places

The arrival of Muslims from all over the world to perform Hajj and Umrah rituals, visitors to the Sacred House of God in the Kingdom of Saudi Arabia, drone photography from above of the arrival of foreign pilgrims to Mecca, worship and getting closer to God, sacred Islamic landmarks and places, Islamic matters and His servants

Ramadan designs and decorations, a three-dimensional mosque with religious designs, the art of Islamic architecture, a Ramadan and spiritual atmosphere, Islamic holy places, the view of white clouds and the crescent moon in the sky, nature background.

Performing acts of worship and drawing closer to God, a 3D design of a mosque, a view of white clouds and a crescent moon in the sky, the art of Islamic architecture, Ramadan backgrounds, decorations and atmosphere, 3D animated religious figures.

Decorative metal lantern near a glass facade overlooking an Arabic mosque, worship and closeness to God Almighty, Islamic religious places, modern decorations and designs for minarets, domes and mosques, modern architectural art for mosques

A close-up of the circumambulation of the pilgrims of the Sacred House of God around the Holy Kaaba, the fifth pillar of Islam, the Grand Mosque in Makkah Al-Mukarramah in the Kingdom of Saudi Arabia, performing the rituals of Hajj and Umrah, sacred Islam

Ramadan designs and decorations, a three-dimensional mosque with religious designs, the art of Islamic architecture, a Ramadan and spiritual atmosphere, Islamic holy places, the view of white clouds and the crescent moon in the sky, nature background.

Office table overlooking an Arabic mosque in the middle of nature, Islamic religious places, modern decorations and designs for minarets, domes and mosques, modern architectural art for mosques, worship and closeness to God Almighty

Performing the obligatory prayer around the Holy Kaaba, pilgrims to the Sacred House of God in the Grand Mosque in Makkah Al-Mukarramah in the Kingdom of Saudi Arabia, performing the rituals of Hajj and Umrah, sacred Islamic religious places, worship and

The circumambulation of pilgrims and Umrah pilgrims around the Holy Kaaba in Mecca, interest in preparing and renovating the Noble Mosque in Mecca, the arrival of Muslims to perform religious duties and Hajj rituals, worship and getting closer to God Almighty, the Islamic spiritual atmosphere, sacred Islamic places and landmarks.The circumambulation of pilgrims and Umrah pilgrims around the Holy Kaaba in Mecca, interest in preparing and renovating the Noble Mosque in Mecca, the arrival of Muslim

The development of building mosques and Islamic spiritual facilities, the sacred status of the most prominent religious monuments in Saudi Arabia, aerial drone photography of the illuminated building of the Two-Qiblah Mosque in Medina during the day, the concept of getting closer to God and performing acts of worship and obligations, Islamic matters and worship.

Battles, invasions and heroism of Muslims throughout Islamic history, the most famous landmarks of the Prophet’s city, the great status of one of the most important sacred historical sites, aerial drone photography of Mount Uhud in the Kingdom of Saudi Arabia, mosques and cemeteries, famous tourist archaeological sites

Ramadan designs and decorations, a three-dimensional mosque with religious designs, the art of Islamic architecture, a Ramadan and spiritual atmosphere, Islamic holy places, the view of white clouds and the crescent moon in the sky, nature background.

Architectural engineering art of sacred areas, close-up drone photography of the illuminated Royal Clock Tower building in Mecca, famous Islamic places and landmarks in the Kingdom of Saudi Arabia, urban growth and progress of towers and skyscrapers, hotels and facilities overlooking the Holy Mosque of Mecca

White domes and minarets, drone photography of the lighthouse and electronic umbrellas in the courtyards of the Prophet’s Mosque during the day, performing prayers in the Prophet’s Mosque in Medina, worship and getting closer to God, sacred religious places and landmarks in Saudi Arabia

Aerial close-up of the Quba Mosque in Medina in the Kingdom of Saudi Arabia at night, religious sacred monuments, Islamic architectural art, worship and closeness to God, Islamic architecture in Saudi Arabia, an ancient historical mosque

Writing in Arabic thuluth script with gold letters, Islamic-style interior decorations and designs, performing prayers in the Prophet’s Mosque in Medina, worship and getting closer to God, sacred religious landmarks and places in Saudi Arabia, the southern wall and the direction of the Qibla in the Prophet’s Mosque.

Aisha Al Rajhi Mosque in Mecca, architectural art of mosques in the Kingdom of Saudi Arabia, Islamic landmarks and holy places, worship and closeness to God, the call of Muslims to perform prayers and religious duties

Ramadan and spiritual atmosphere, Islamic architecture art, 3D mosque with religious designs, Islamic holy places, view of white clouds and crescent moon in the sky, nature background.

An Islamic spiritual atmosphere, sacred religious places and landmarks in the Kingdom, a close-up of electronic umbrellas in the square of the Prophet’s Mosque in Medina, the arrival of Muslims from all over the world to perform acts of worship and obligations and get closer to God Almighty, Islamic matters and worship.

Aerial photography of the illuminated Quba Mosque in Medina in the Kingdom of Saudi Arabia at night, Islamic architectural art, worship and closeness to God, sacred religious monuments, Islamic architecture in Saudi Arabia, an ancient historical mosque

Cultivation of palm trees, Islamic architecture in Saudi Arabia, Quba Mosque in Medina in the Kingdom of Saudi Arabia, sacred religious monuments, ancient archaeological historical mosque, Islamic architectural engineering art, view of the cloudy sky

Urban development in Makkah Al-Mukarramah, close-up of the Royal Clock Tower in Makkah Al-Mukarramah in the Kingdom of Saudi Arabia at night, architectural art, the Holy Mosque of Mecca, the Holy House of God, skyscrapers and towers around the Grand Mosqu

Worshiping and getting closer to God Almighty, visitors to the Holy House of God in the outer courtyard, the arrival of worshipers from all over the world to Mecca, the architectural art of the towers and skyscrapers surrounding the Holy Mosque in Mecca, famous sacred Islamic religious landmarks in the Kingdom of Saudi Arabia

Worship and getting closer to God Almighty, crowding of Muslims in the holy Islamic religious places and monuments in Mecca in the Kingdom of Saudi Arabia, drone photography of pilgrims to the Holy House of God performing prayer in the courtyards of the Holy Mosque in Mecca, performing Hajj and Umrah rituals

The peaceful, spiritual atmosphere of the night, the arrival of Muslims from all over the world to perform acts of worship and obligations and the rituals of Hajj and Umrah, the circumambulation of pilgrims of the Holy House of God around the Holy Kaaba in Mecca, sacred Islamic religious landmarks, the towers and hotels surrounding the Holy Mosque in Mecca, Islamic matters and worship.

The art of Islamic architecture, a three-dimensional mosque with religious designs, Ramadan and spiritual atmosphere, Islamic holy places, view of white clouds and the crescent moon in the sky, nature background.

The honorable Prophet’s room in the Prophet’s Mosque, attention to the arrangement and cleanliness of the honorable garden, interior decorations and designs in the Islamic style, performing prayers in the Prophet’s Mosque in Medina, worship and getting closer to God, sacred religious landmarks and places in Saudi Arabia.

Ramadan and spiritual atmosphere, Islamic architecture art, 3D mosque with religious designs, Islamic holy places, view of white clouds and crescent moon in the sky, nature background.

Holy religious Islamic places, car traffic in the illuminated roads and streets at night time, drone photography of the Grand Mosque in Makkah Al-Mukarramah at night in the Kingdom of Saudi Arabia, buildings and residential houses.

A quick snapshot of Muslim pilgrims in Ihram dress performing Hajj, performing the rituals of Hajj and Umrah, circumambulating the Kaaba, the Kaaba in Makkah Al-Mukarramah in the Kingdom of Saudi Arabia, worshiping and drawing closer to God, Islam and wor

Saudi Airlines, close-up of a Saudi Gulf Arab woman sitting on the plane seat, raising her hands to pray and get closer to God, performing the rituals of Hajj and Umrah, Islamic religious flights in the month of Dhul-Hijjah, Hajj season 2023.

Performing the rituals of Umrah and Hajj, high-end services in the Hajj campaigns for pilgrims from inside and outside Saudi Arabia, a close-up of a group of Saudi Arabian Gulf pilgrims wearing Ihram clothes and sitting in the cabin of the plane reading t

Majestic domes and minarets, sacred Islamic religious monuments and places, performing obligatory prayers and prayers on time, worship and getting closer to God, a mosque with designs in the ancient Islamic style in a foggy atmosphere, the architectural engineering art of building mosques in the Kingdom of Saudi Arabia

Sacred religious places and landmarks, time frame for worshipers to enter the illuminated Al Noor Mosque at night in the city of Sharjah, architectural engineering art in the modern Islamic style, interest in planting palm trees in the United Arab Emirates

Sitting in the Prophet’s Mosque, a photograph from behind of an old man sitting in a wheelchair praying, the green dome and minarets of the Messenger of God’s Mosque in Medina during the day, sacred Islamic religious places and landmarks in the Kingdom of Saudi Arabia

Muslim pilgrims in Ihram dress performing Hajj, performing the rituals of Hajj and Umrah, circumambulating the Kaaba, the Kaaba in Makkah Al-Mukarramah in the Kingdom of Saudi Arabia, worshiping and getting closer to God, Islam and worship

An Islamic template for a three-dimensional mosque, sacred Islamic places and landmarks, view of clouds and stars shining in the sky, religious decorations and designs, Ramadan and spiritual atmosphere, religious decorations and designs, Islamic architect

Visitors to the Holy House of God in the outer courtyard, the arrival of worshipers from all over the world to Mecca, the architectural engineering art of the towers and skyscrapers surrounding the Holy Mosque in Mecca, famous sacred Islamic religious landmarks in the Kingdom of Saudi Arabia, worship and closeness to God Almighty

Sheikh Sulaiman Al Rajhi Mosque in Hail, architectural art of mosques in the Kingdom of Saudi Arabia, Islamic landmarks and holy places, worship and closeness to God, the call of Muslims to perform prayers and religious duties

Prayer and supplication to God, high-end services in the Hajj and Umrah campaigns for pilgrims from inside and outside Saudi Arabia, a close-up of an Indonesian couple wearing the Ihram garments and sitting in the cabin of the plane, performing the ritual

Mosque with creative 3D designs, starry sky, religious landmarks, crescent moon, Islamic architectural art, Islamic architecture, Islamic holy places, nature background

Viewing a green screen via mobile phone, high-end services in Hajj and Umrah campaigns for pilgrims from inside and outside Saudi Arabia, an Indonesian couple wearing Ihram clothes and sitting in the cabin of the plane, performing Hajj and Umrah rituals,

Close-up of a man holding a supplication book in Hindi, pilgrims to the Holy House of God in Makkah Al-Mukarramah in the Kingdom of Saudi Arabia, circumambulating the Kaaba and praying from the supplication book, reading the supplication book, Islamic rel

Muslims gathered in the outer complex of the Prophet's Mosque in Medina at night, the square of the Prophet's Mosque, holy Islamic places, electronic umbrellas, Islamic religious landmarks

Pilgrims circumambulating the Kaaba in the Grand Mosque in Mecca, performing Hajj and Umrah rituals in Mecca, the concept of worship and drawing closer to God, sacred Islamic religious landmarks and places in the Kingdom of Saudi Arabia

Sacred religious landmarks and places, Islamic decorations and inscriptions for the arches and interior columns of mosques, architectural engineering art for mosques in the Kingdom of Saudi Arabia, decorations and designs for domes and minarets, worship and drawing closer to God Almighty.

The circumambulation of pilgrims and Umrah performers around the Holy Kaaba in Makkah Al-Mukarramah in the Kingdom of Saudi Arabia, performing the rituals of Hajj and Umrah, worship and drawing closer to God, Islamic religious landmarks in Saudi Arabia, t

Pilgrims jogging by striving between Safa and Marwa, performing Hajj and Umrah rituals, Islamic religious holy places in the Kingdom of Saudi Arabia, Hajj season 2023, performing religious duties, worshiping and drawing closer to God.

The preparation of pilgrims to the Sacred House of God to depart, the spiritual atmosphere in the holy places in Saudi Arabia, the place where Hajj rituals are performed and Muslims sleep on the Day of Tarwiyah, the Day of Eid al-Adha, and the Days of Tashreeq, worship and getting closer to God, drone photography of the white tents area in the hair of Mina in Mecca.

Sacred Islamic landmarks and places, pilgrims circumambulating the Kaaba during the blessed days of Hajj, the Grand Mosque in Mecca, Saudi Arabia, performing religious rituals

Sacred Islamic places and landmarks, the destination of Muslims from all over the world to perform religious rituals, aerial drone photography of Muslims in the courtyards of the Noble Mosque in Mecca, the concept of worship and getting closer to God Almighty.

Pilgrims to the House of God in the outer courtyard of the Grand Mosque in Mecca feeding a flock of pigeons, sacred Islamic religious places and landmarks in the Kingdom of Saudi Arabia, towers and hotels overlooking the Grand Mosque, timelapse of the movement of birds while pecking at food and flying in the open air.

3D illustrations of mosque, modern architectural art of mosques, Islamic religious landmarks and places, modern decorations and designs of minarets, domes and mosques, worship and getting closer to Allah Almighty

The Royal Clock Tower overlooking the Grand Mosque, architectural art in the holy areas, famous Islamic places and landmarks in the Kingdom of Saudi Arabia, the urban growth and progress of the Mecca skyline, aerial drone photography of the towers and skyscrapers around the Holy Mosque of Mecca in daytime.

Towers and skyscrapers around the Grand Mosque in Mecca, the architectural art, the Grand Mosque in Mecca, the royal clock tower in Mecca in the Kingdom of Saudi Arabia during the day, the Sacred House of God, the urban development in Mecca

Tawaf around the Holy Kaaba, pilgrims of the Sacred House of God in the courtyards of the Holy Mosque in Makkah Al-Mukarramah in Saudi Arabia, performing the rituals of Hajj and Umrah, worship and drawing closer to God, Islamic religious sacred places

The arrival of Muslims from all over the world to perform Hajj and Umrah rituals, sacred religious landmarks and sentiments, prepared streets and roads in the Kingdom of Saudi Arabia, a close-up depiction of the arrival of pilgrims and Umrah pilgrims to Mecca, worship and getting closer to God Almighty

Praying to God, high-end services in Hajj campaigns for pilgrims from inside and outside Saudi Arabia, Islamic religious air flights in the month of Dhul-Hijjah, a group of Saudi Arabian Gulf and Indonesian pilgrims wearing Ihram clothes and sitting in th

Time-lapse for pilgrims of the Sacred House of God circumambulating around the Holy Kaaba, which is forbidden during the blessed days of Hajj, raising the curtain of the Kaaba during the days of Hajj, the Holy Mosque in Mecca in the Kingdom of Saudi Arabi

The concept of worship and drawing closer to God Almighty, a close-up of the hands of pilgrims touching the Yemeni Corner of the Holy Kaaba, performing Hajj and Umrah rituals, sacred Islamic religious places and landmarks in the Kingdom of Saudi Arabia, the destination of Muslims from all over the world

Architectural engineering art in the Islamic style, sacred places for performing worship and drawing closer to God, a three-dimensional model of an ancient mosque surrounded by a lake of water, a view of clouds and clouds in the sky, Ramadan religious backgrounds

Discussions and dialogues, high-end services in Hajj and Umrah campaigns for pilgrims from inside and outside Saudi Arabia, an Indonesian couple wearing Ihram clothes and sitting in the cabin of the plane, performing Hajj and Umrah rituals, Islamic religi

A 3D mosque with religious designs in the middle of the desert, a Ramadan and spiritual atmosphere, Islamic holy places, the art of Islamic architecture, the view of white clouds and the crescent moon in the sky, nature background.

Islamic decorations and designs, minarets and domes built in the ancient style, illustrations of a mosque in the middle of trees and natural places, architectural engineering art of building mosques in the Kingdom of Saudi Arabia, worship, obedience and getting closer to God, nature background

Pilgrims and Umrah pilgrims in the Masa’a in Mecca in the Kingdom of Saudi Arabia, the Saa’i between Safa and Marwa, performing Hajj and Umrah rituals, worship and getting closer to God, sacred Islamic religious landmarks and places.

Sacred Islamic religious landmarks and places, time-lapse for pilgrims to the Sacred House of God circumambulating around the Holy Kaaba while it is forbidden in the blessed days of Hajj, raising the curtain of the Kaaba in the days of Hajj, the Holy Mosq

Growth and urban progress of towers and buildings in Mecca, aerial photography of the Royal Clock Tower overlooking the Grand Mosque at sunset, architectural engineering art in the holy areas, famous Islamic places and landmarks in the Kingdom of Saudi Arabia

The concept of worship and drawing closer to God Almighty, celebrating the arrival of the month of goodness, Islamic religious holidays and occasions, 3D illustrations of illuminated mosque domes and minarets at night, a view of fireworks in the starry sky

The arrival of Muslims from all over the world to perform acts of worship and obligations and draw closer to God Almighty, an Islamic spiritual atmosphere, sacred religious places and landmarks in the Kingdom, a close-up of electronic umbrellas in the square of the Prophet’s Mosque in Medina.

3D Islamic background, Islamic designs, 3D mosque, Islamic mosque with creative designs, Islamic motifs, clouds and white clouds, Islamic decorations, Islamic and worship

Ramadan decorations and designs, a three-dimensional mosque with religious designs, the art of Islamic architecture, a Ramadan and spiritual atmosphere, Islamic holy places, the view of white clouds and the crescent moon in the sky, nature background.

Interior decorations and designs, worship and getting closer to God, sacred Islamic religious landmarks and places, a group of Muslims sitting in a mosque in the Kingdom of Saudi Arabia, performing religious duties

A smiling Saudi Arabian Gulf man, electronic umbrellas and the minaret of the Prophet's Mosque in Medina, facial gestures indicating happiness, the city's famous landmarks, Islamic religious holy places

Worship and closeness to God Almighty, sacred Islamic religious places and landmarks, the spiritual atmosphere during the performance of the major pillar of Hajj, aerial drone photography of pilgrims of the Sacred House of God wearing the Ihram dress on Mount Arafat (Mount of Mercy) in Mecca, the Hajj season in Saudi Arabia

Sacred religious landmarks and places in Saudi Arabia, the honorable Prophet’s Chamber in the Prophet’s Mosque, attention to the arrangement and cleanliness of the honorable garden, interior decorations and designs in the Islamic style, performing prayers in the Prophet’s Mosque in Medina, worship and getting closer to God.

Ihram the honorable Kaaba in the days of the blessed Hajj by raising the curtain of the Kaaba, the fifth pillar of Islam, the Grand Mosque in Makkah Al-Mukarramah in the Kingdom of Saudi Arabia, the circumambulation of the pilgrims of the Sacred House of

The art of Islamic architecture, a three-dimensional mosque with religious designs, Ramadan and spiritual atmosphere, Islamic holy places, view of white clouds and the crescent moon in the sky, nature background.

Distinctive landscapes, modern architectural art of mosques, Islamic religious landmarks and places, modern decorations and designs of minarets and domes of mosques overlooking the sea, the concept of worship and getting closer to God

Famous tourist places in the coastal region at sunrise, sacred Islamic religious landmarks on the waterfront of Jeddah, architectural engineering for residential buildings and commercial towers in the Kingdom of Saudi Arabia, urban growth and expansion, traffic movement on roads and streets.

Car traffic in the streets and roads, towers and skyscrapers around the Holy Mosque of Mecca, urban growth and progress in the Kingdom of Saudi Arabia, drone photography of the illuminated Royal Clock Tower at night in Mecca, architectural engineering art in the Islamic style

Makkah Al-Mukarramah, Saudi Arabia, Umrah performers and visitors to the Grand Mosque in Makkah perform Umrah rituals in the Grand Mosque in Mecca, Islamic religious landmarks, Islamic holy places.

Pilgrims flock to the Grand Mosque in Mecca, a group of Muslims strolling around the outer courtyard of the Grand Mosque, the development of the architectural art of buildings and towers in Mecca, sacred Islamic religious places and landmarks in the Kingdom of Saudi Arabia

The Grand Mosque in Makkah Al-Mukarramah in the Kingdom of Saudi Arabia, sacred Islamic religious places and monuments, circumambulation around the Holy Kaaba, close-up photography of pilgrims to the Sacred House of God near the door of the Holy Kaaba, pe

Office table overlooking an Arabic mosque in the middle of nature, Islamic religious places, modern decorations and designs for minarets, domes and mosques, modern architectural art for mosques, worship and closeness to God Almighty

Worship and drawing closer to God Almighty, sacred Islamic religious places in Saudi Arabia, performing Hajj rituals in the Mina shrine in Mecca, drone photography of Muslim delegations to the pilgrims’ accommodation in the white tents area in Mina at night time

Places of worship and getting closer to God, crews of workers wearing custom clothing are cleaning between Safa and Marwa using modern machines and tools in the Grand Mosque in Mecca in the Kingdom of Saudi Arabia, paying attention to the cleanliness and sterilization of sacred Islamic monuments

Pilgrims of the Holy House of God in the Holy Mosque in the Kingdom of Saudi Arabia, performing prayers in the Great Mosque of Mecca, worship and getting closer to God, performing Hajj and Umrah, Islamic religious landmarks, Hajj season