Recreational skills and activities in the Equestrian Club, purebred Arabian horses in a horse breeding and training farm in the Kingdom of Saudi Arabia, the practice of horse riding, a Saudi Gulf knight dressed in equestrian clothing, taming and training
Horse riding hobby in the desert nature, men's passion and interest in raising and caring for horses in Saudi Arabia, a close-up photo of a young Saudi Arabian Gulf man wearing equestrian clothing petting his purebred Arabian horse, spreading the love of horses among the people of Saudi Arabia.
The Kingdom’s civilization and its connection to horses, the participation of horses in national occasions, a picture from the side of a veiled Saudi Gulf Arab horsewoman riding a horse and raising the Kingdom’s flag in the desert, deepening belonging to the homeland by celebrating the anniversary of National Day, September 23, and Saudi Flag Day, March 11.
The hobby of horse riding and equestrianism in the Kingdom, love of the homeland and belonging to it, commemoration of Saudi Flag Day, March 11, National Day, Rabi’ al-Awwal 8, celebration of National Day, a young Saudi Arab Gulf man wearing a shemagh and traditional dress raises the Saudi flag and rides his horse in the desert.
Authentic brown Arabian horses in a horse breeding and training farm in the Kingdom of Saudi Arabia, practicing the hobby of horse riding, a Saudi Gulf knight dressed in equestrian clothing, taming and training horses in the horse stable, recreational ski
A Saudi Gulf rider riding horses in the picturesque Saudi desert in the daytime mode, horse trainer, purebred Arabian horse, horse riding hobby, equestrianism, horse riding activities and events, skills and recreational activities
Two Saudi Arabian Gulf riders riding horses in the picturesque Saudi desert, horse taming, horse training, purebred Arabian horses, horse riding hobby, equestrianism, skills and recreational activities, desert beauty in Saudi Arabia
Riding on the back of a purebred white horse in one of the deserts of the Kingdom, Day of Dina 1727 AD, the anniversary of the founding of the first Saudi state, February 22, a Saudi Arabian Gulf horseman wearing a bisht and ghutra with a golden headband practicing the hobby of horseback riding during the day, inheriting the love and passion for raising horses among the people of the country.
A group of Saudi riders riding horses at high speed in the picturesque Saudi desert, the flag of the Kingdom of Saudi Arabia, dressage of horses, horse training, purebred Arabian horses, horse riding hobby, equestrianism, skills and recreational activitie
Farms training and taming horses, raising and caring for pets, a close-up of a purebred white Arabian mare at night time, equestrian passion and horse riding hobby in Saudi Arabia, natural reserves for horse breeding, love and passion for the Saudi horse.
Commemorating the National Day, the hobby of riding horses in the desert, the National Day 8 Rabi’ al-Awwal, celebrating the Saudi Flag Day 11 March, a black and white picture of Saudi Gulf Arab riders racing on horseback and raising the Kingdom’s flag, the strength and speed of the Saudi horse.
A Saudi Gulf rider riding horses at high speed in the picturesque Saudi desert, horse taming, horse trainer, purebred Arabian horse, horse riding hobby, equestrian, skills and recreational activities, desert beauty in Saudi Arabia
A close-up of the legs of a purebred white Arabian horse in the middle of the soft sand dunes in the desert, following the traditions of the ancestors in the care and breeding of horses in Saudi Arabia, the passion for equestrianism and the hobby of ridin
A group of Saudi riders riding horses at high speed in the picturesque Saudi desert, the flag of the Kingdom of Saudi Arabia, dressage of horses, horse training, purebred Arabian horses, horse riding hobby, equestrianism, skills and recreational activitie
Horse riding activities and events in the desert, wandering in the desert nature on the back of a horse, love and affection for the purebred Saudi horse, following the traditions of the ancestors by caring for and caring for horses, a Saudi Arabian Gulf m
Installing a horse's bridle, a purebred Arabian horse in a horse breeding farm, a Saudi Arabian Gulf horseman preparing and preparing the horse for racing, the concept of caring and caring for Arabian horses, practicing the hobby of riding horses
A Saudi Gulf Arab man wearing a wide headband and a traditional bisht, carrying the founding flag, riding his white horse in broad daylight in the desert, wearing the costumes of the people of the central region on Founding Day 1727, celebrating the anniversary of the founding of the Kingdom, participating in horses in national events and holidays.
Practicing the hobby of riding horses, chatting and friendly dialogues, the anniversary of the Saudi founding day February 22, a close-up of a Saudi Arabian Gulf woman and man dressed in the costumes of the Saudi founding day 1727 AD and exchanging entert
Celebrating Saudi Flag Day, March 11, the strength and speed of the Saudi horse, participation in horse riding activities on National Day, the hobby of riding horses in the desert, commemorating National Day 8 Rabi’ al-Awwal, a group of Saudi Gulf Arab men racing on horseback and raising the Kingdom’s flag.
A close-up photo of a Saudi Gulf rider riding horses in the picturesque Saudi desert, horse trainer, purebred Arabian horse, horse riding hobby, equestrianism, horse riding activities and events, skills and recreational activities
Practicing the hobby of horse riding and a passion for equestrianism, a portrait of a Saudi Gulf Arab man wearing a traditional thobe and shemagh, riding a purebred brown Arab horse, love and passion for horses, following ancestral traditions by caring fo
Passion for equestrianism and practicing the hobby of horse riding, Saudi National Day, a Saudi Gulf Arab man riding a purebred Arabian horse and raising the Saudi flag, National Day for the unification of the Kingdom, Rabi’ al-Awwal 8, Flag Day, March 11, pride and showing off of belonging to the Kingdom, love and passion for the Saudi horse
A Saudi Arab Gulf man wearing traditional folk costumes and driving a camel in the Saudi desert, a knight riding a horse and raising the Saudi flag, commemorating the Saudi founding, the first Saudi state 1727 AD, Saudi founding day, Saudi national holida
Care and training of horses in a horse farm, recreational activities in the horse stable, horse riding skill, background image of a Saudi Arabian Gulf knight wearing the Saudi flag on his back and riding his horse, celebration of the Saudi National Day 20
A close-up photo of a Saudi Gulf rider riding horses in the picturesque Saudi desert, horse trainer, purebred Arabian horse, horse riding hobby, equestrianism, horse riding activities and events, skills and recreational activities
Najdi Ardha band, songs and folk dance, showing love for the homeland and belonging to it, participation of horses in national celebrations, a close-up of a Gulf Arab man celebrating National Day on September 23 on a horse at night time, traditional folkl
Horse riding hobby in the equestrian club, close-up of purebred Arabian horses in the horse stable, a farm for breeding, training and taming Arabian horses in the Kingdom of Saudi Arabia, the concept of caring, attention and kindness to animals
A Saudi Gulf rider riding horses at high speed in the picturesque Saudi desert, horse taming, horse trainer, purebred Arabian horse, horse riding hobby, equestrian, skills and recreational activities, desert beauty in Saudi Arabia
A Saudi Gulf rider riding horses in the picturesque Saudi desert in sunset mode, horse trainer, purebred Arabian horse, horse riding hobby, equestrianism, horse riding activities and events, skills and recreational activities
Entertainment activities and events, the establishment of the first Saudi state in 1727 AD, the anniversary of the Saudi founding day on February 22, a black and white close-up of a veiled Saudi woman petting her horse in the desert, the love of horses in
Close-up of the legs of a purebred Arabian black horse in a horse farm in Saudi Arabia in daylight mode, taming and training of horses in the horse stable, horse riding skills, events and activities in the Equestrian Club, raising pets in the Kingdom of S
The place of the horse in the hearts of the people of the Kingdom, celebrating the anniversary of the National Day, National Day, September 23, commemorating the Saudi Flag Day, March 11, Saudi Gulf Arab knights riding horses in the desert and raising the Kingdom’s flag, the connection of horses to Saudi history.
Activities and events riding horses in the desert, commemorating the Saudi National Day 8 Rabi’ al-Awwal, raising the flag to celebrate the Saudi Flag Day March 11, a group of Saudi Gulf Arab men riding around on horses at sunset, the love and passion of purebred Saudi horses.
Our Day 1727 AD, the anniversary of the founding of the first Saudi state on February 22, commemoration of the National Day on September 23, the passion for equestrianism and the hobby of riding horses, a picture from the side of a Saudi Arabian Gulf horseman taming and training horses in one of the nature reserves, events and festivals in the Kingdom
Feelings of love and adoration for the Saudi horse, wearing the costumes of the Saudi founding day 1727, the anniversary of the Saudi founding day February 22, caring for the horses and taking care of them, a close-up of a Saudi woman wearing the Saudi ab
Horse riding hobby in the Equestrian Club, horse breeding in the fleet, horse training and taming farm in Saudi Arabia, a Saudi Arabian Gulf girl riding the purebred Arabian horse, entertainment activities and spending fun times, the event of the Riyadh s
Hiking and wandering in the desert nature on the back of a horse, activities and events of riding horses in the desert, love and affection for the purebred Saudi horse, following the traditions of the ancestors in caring for and caring for horses, a Saudi
A Saudi Gulf rider riding a horse in the picturesque desert of Saudi Arabia, raising the flag of the Kingdom of Saudi Arabia with his hand under a beautiful cloudy sky, the purebred Arabian horse, the hobby of horse riding, equestrianism, horse-riding act
Activities and events riding Arabian horses in the desert on the occasion of the anniversary of the founding of the first Saudi state, February 22, two Saudi Arabian Gulf knights wearing popular traditional costumes riding horses racing over the golden sands during the day, Day of Dina 1727 AD, the strength and authenticity of the Arabian horse
Feelings of belonging and love for the country, the hobby of horse riding and the passion for equestrianism, a Saudi Arabian Gulf horseman riding a purebred Arabian horse raising the Saudi flag in the desert, commemorating the National Day of the Unification of the Kingdom, National Day September 23, Saudi Flag Day March 11
Founding of the first Saudi state February 22, silhouette of a Saudi Arabian Gulf knight practicing horse riding in one of the deserts of the Kingdom at sunset, inheritance of the love of raising horses among the sons of the homeland, riding on the back of a purebred horse over the sand dunes, memory of the day we started 1727 AD, Saluit
A Saudi Gulf Arab rider wearing equestrian uniform riding his horse at sunset, practicing the hobby of horse riding, inheriting the love of horses among the people of the country, spending a pleasant time with a purebred horse in the desert nature, reserves for training horses in the Kingdom of Saudi Arabia
Love of the purebred Saudi horse, caring and caring for animals in Saudi Arabia, a black and white close-up of a veiled Saudi Arab woman wearing the abaya courting the Arabian horse at sunset, the passion for equestrianism and the hobby of riding horses,
An authentic brown Arabian horse, a Saudi Arabian Gulf knight who wears an equestrian outfit and trains horses, breeding horses in the stable, horse riding hobby, horse training and taming farm in Saudi Arabia, fun recreational activities in the Equestria
A Saudi Gulf rider riding a horse in the picturesque desert of Saudi Arabia, raising the flag of the Kingdom of Saudi Arabia with his hand under a beautiful cloudy sky, the purebred Arabian horse, the hobby of horse riding, equestrianism, horse-riding act
Breeding, taming and training horses on farms in the Kingdom of Saudi Arabia, purebred Arabian horses in the horse stable, practicing horse riding, fun Arabian leisure activities and sports in the Equestrian Club
Horse training and taming farm in Saudi Arabia, horse breeding in the fleet, horse riding hobby in the Equestrian Club, a Saudi Arabian Gulf father with his daughter riding purebred Arabian horses, entertainment activities and spending fun times with chil
Celebrating Flag Day, March 11, Arabian horse racing events in the desert on the anniversary of Saudi National Day, National Day, September 23, two Saudi Arabian Gulf horsemen wearing the shemagh and traditional dress riding horses and racing in the desert, the strength and authenticity of the Arabian horse
Pride in belonging to Saudi Arabia, riding a horse in broad daylight, a close-up photo of a Saudi Gulf Arab man wearing traditional dress, riding a purebred Arabian horse, raising the Saudi flag, celebrating Saudi National Day, September 23, commemorating Flag Day, March 11, the National Day for the unification of the country.
The concept of kindness and benevolence to animals, a purebred Arabian horse in the stable of horses, a Saudi Gulf knight wearing an equestrian outfit taking care of his horse, a hobby of riding horses, recreational skills and activities in the Equestrian
A Saudi Gulf man looking after his horse, horse trainer, purebred Arabian horse, horse riding hobby, equestrian, horse riding activities and events, skills and recreational activities
Pride in owning a Saudi identity, activities and events riding horses in the desert, a picture from the back of a Saudi Gulf Arab silhouette riding a purebred Arabian horse and raising the Saudi flag, Saudi National Day, the National Day for the Unification of the Kingdom September 23, Flag Day March 11, inheriting the passion for horses from the ancestors
Deepening belonging to the homeland by celebrating the anniversary of National Day, September 23, participation of horses in national occasions and holidays, a picture from behind of a veiled Saudi Gulf Arab young woman riding a horse and raising the Kingdom’s flag in her hand in the desert, Saudi Flag Day, March 11
A Saudi Gulf rider riding horses in the picturesque Saudi desert, holding a long sword, horse taming, horse trainer, purebred Arabian horse, horse riding hobby, equestrianism, horse riding activities and events, beauty of desert nature in Saudi Arabia, br
Wearing the Najdi parade costume, horses participating in national celebrations, a Saudi Gulf Arab knight riding a horse and holding the Kingdom’s flag with pride and respect, horse riding activities and events on Saudi holidays, traditional folklore band
National Day for the Unification of the Country 8 Rabi’ al-Awwal, Celebrating Saudi National Day with Arabian horses, taking care of the horse at sunset in the desert, a close-up photo of a Saudi Arabian Gulf horseman wearing a shemagh and traditional dress holding a purebred Arabian horse, commemorating Flag Day March 11
The passion and interest of women in raising and caring for horses in the Kingdom of Saudi Arabia, the love of equestrianism and the hobby of riding horses in the desert nature, a young Saudi Arab Gulf veiled woman wearing the abaya petting her purebred A
A close-up of a Saudi Arabian Gulf girl riding a purebred Arabian horse and wearing an equestrian costume, horse breeding in the stable, horse riding hobby, brown horse, horse training and taming farm in Saudi Arabia, equestrian club, entertainment activi
Recreational activities for children, a Saudi Arabian Gulf boy riding a purebred Arabian horse, a brown horse, raising horses in the stable, a farm for training and taming horses in Saudi Arabia, an equestrian club, a hobby for horse riding, .
Saudi National Day September 23, inheriting the love of horses from ancestors and spreading it in the homeland, Saudi National Day, a picture from the back of a Saudi Gulf Arab man riding an Arabian horse and raising the Saudi flag in the desert, Flag Day March 11, spreading the love of horses among the people of the Kingdom, love of the country and belonging to it
A Saudi Arab Gulf horseman wearing a traditional costume and standing with horses in the desert at night, raising the flag of Saudi Arabia, the purebred Arabian horse, commemorating the Saudi founding, the first Saudi state 1727 AD, the day of the Saudi f
The concept of love and passion for horses, practicing the hobby of horse riding and the passion for equestrianism, a Saudi Gulf Arab young man wearing traditional clothing standing next to a brown purebred Arabian horse at sunset, the legacy of the ancestors in caring for and raising horses
The connection of horses to the heritage and history of the Kingdom, the participation of horses in national occasions, a picture from the side of a veiled Saudi Gulf Arab horsewoman riding a horse and raising the Kingdom’s flag in the desert, deepening belonging to the homeland by celebrating the anniversary of National Day, September 23, and Saudi Flag Day, March 11.
Commemoration of the unification of the nation September 23, a Saudi Arabian Gulf horse riding a purebred Arabian horse and raising the Saudi flag, Flag Day March 11, Saudi National Day, activities and events riding horses in the desert, inheriting the passion for horses from the ancestors
A Saudi Arab Gulf knight wearing a traditional folk costume and standing with horses in the desert at night, an old Saudi rifle, the purebred Arabian horse, commemorating the Saudi founding, the first Saudi state 1727 AD, the day of the Saudi founding, a
The love of horse breeding is passed down among the sons of the nation, riding on the back of a purebred horse over the sand dunes, the memory of the day we started 1727 AD, the founding of the first Saudi state on February 22, a black and white photo of a Saudi Gulf Arab knight practicing his hobby of horse riding in one of the deserts of the Kingdom at sunset
The love of horses was inherited from the ancestors and spread among the people of the country, the love of equestrian and horse riding, the love of the purebred Saudi horse, a veiled Saudi Arabian Gulf woman wearing the abaya and practicing the hobby of
Wearing the Hijazi Ardha costume, horses participating in national celebrations, songs and folk dances, a Saudi Arab Gulf knight riding his horse and holding the Kingdom's flag proudly, performances by the folklore folklore band on the National Day Septem
A Saudi Gulf rider riding horses at high speed in the picturesque Saudi desert, horse taming, horse trainer, purebred Arabian horse, horse riding hobby, equestrian, skills and recreational activities, desert beauty in Saudi Arabia
Two Saudi Arabian Gulf men riding horses, purebred Arabian horses, hobby horse riding, equestrian club, recreational activities, safari event, Riyadh season
Following the traditions of our ancestors in loving and raising horses, the anniversary of the founding of the first Saudi state on February 22, activities and events of Arabian horse racing in the desert, silhouettes of two Saudi Gulf Arab riders riding horses roaming over the golden sands during the day, Day of Dina 1727 AD, Salwit
National Day September 23, Saudi Flag Day March 11, the relationship of the nation’s people with purebred Saudi horses, a Saudi Gulf Arab man wearing a shemagh and traditional dress riding his horse holding the flag in his hand in the desert at sunset, celebrating the anniversary of Saudi National Day
Recreational sports youth activities, preparation for the hobby of horse riding, preparation for races and interesting sports competitions in horse riding, a room for equestrian equipment and supplies, a Saudi Arabian Gulf man who wears an equestrian helm
Love and passion for horses, practicing the hobby of horse riding and a passion for equestrianism, a portrait of a Saudi Gulf Arab man wearing the traditional dress and shemagh riding a purebred brown Arab horse, following the traditions of the ancestors
Wearing shoes to prepare for horse riding, racing and competition, a close-up of a room for equestrian tools and equipment, a Saudi Arabian Gulf man preparing and preparing the saddle to practice the hobby of horse riding, recreational youth sports activi
Close-up of a purebred Arabian horse in the Saudi desert in daytime mode, dressage, purebred Arabian horse, equestrian club, horse riding events, skills and recreational activities, breeding and training horses in Saudi Arabia, Arabian stallion
Hobby riding horses, the concept of kindness and charity to animals, a purebred Arabian horse in the horse stable, a Saudi Gulf knight wearing an equestrian outfit who takes care of his horse, recreational skills and activities in the Equestrian Club, a f
The concept of caring and caring for purebred horses, installing a mare's bridle, an authentic brown horse in the horse stable, a Saudi Arabian Gulf knight who prepares and prepares the horse for racing, practicing horse riding, a horse breeding farm in t
Rock formations and formations in the Saudi desert, riding a horse on the soft sand in the desert areas, inheriting the love of horses from the ancestors and spreading it among the people of the country, the passion for equestrianism and practicing the hobby of horse riding, a Saudi Gulf Arab man riding on the back of a purebred Arabian horse
A Saudi Gulf rider riding horses in the picturesque Saudi desert in the daytime mode, horse trainer, purebred Arabian horse, horse riding hobby, equestrianism, horse riding activities and events, skills and recreational activities
Horse riding activities and events during Saudi holidays, participation of horses in national celebrations, a Saudi Arabian Gulf horseman riding a horse and holding the Kingdom’s flag with pride and respect, traditional folklore band performances on Natio
A Saudi Gulf rider riding horses in the picturesque Saudi desert in sunset mode, horse trainer, purebred Arabian horse, horse riding hobby, equestrianism, horse riding activities and events, skills and recreational activities
Celebrating with horses the anniversary of the founding of the first Saudi state in 1727 AD, a close-up of a purebred white Arabian horse ridden by a Saudi Arabian Gulf woman wearing a burqa and abaya and carrying the Kingdom’s flag in her hand, Saudi Founding Day, February 22, Flag Day, March 11, National Day, September 23
The anniversary of the Founding Day on February 22, the celebration of the founding of the Kingdom of Saudi Arabia in 1727, the founder of the first Saudi state, Imam Muhammad bin Saud, a close-up portrait of a Saudi Arabian Gulf knight wearing a ghutra a
Oil and watercolor painting of a group of Saudi Arabian Gulf knights riding horses in a thoroughbred horse race, horse riding hobby and equestrian skills, training horses for competitions and running fast to win first place, developing and supporting young drawing talents in the Kingdom
A Saudi Arab Gulf knight wearing a traditional folk costume and standing with horses in the desert at night, an old Saudi rifle, the purebred Arabian horse, commemorating the Saudi founding, the first Saudi state 1727 AD, the day of the Saudi founding, a
Horse riding events on Saudi holidays, participation of horses in national celebrations, a Saudi Arabian Gulf knight riding a horse and holding the Kingdom’s flag with pride and respect, performances by a traditional folklore band on National Day, Septemb
Equestrian passion and horse riding hobby, the nation’s relationship with the purebred Saudi horse, a silhouette of a Saudi Arabian Gulf man wearing a shamagh and traditional attire riding a horse at sunset, wandering in the desert nature on the back of a
Equestrian passion and the hobby of riding horses, a close-up of a smiling Saudi Arabian Gulf horseman wearing a shamagh and traditional costume riding his horse in the middle of the desert nature in broad daylight, looking at the camera, following the an
Our Day 1727 AD, the anniversary of the founding of the first Saudi state on February 22, commemoration of the National Day on September 23, the passion for equestrianism and the hobby of riding horses, a picture from the side of a Saudi Arabian Gulf horseman taming and training horses in one of the nature reserves, events and festivals in the Kingdom
Enjoying wandering in the desert on horseback, practicing recreational activities on the soft golden sand, pride in Saudi heritage, two Saudi Gulf Arab male and female knights riding purebred Arabian horses, the anniversary of the founding of the first Saudi state on February 22, the day of our land 1727 AD.
The anniversary of the Founding Day on February 22, the celebration of the founding of the Kingdom of Saudi Arabia in 1727, the founder of the first Saudi state, Imam Muhammad bin Saud, a close-up portrait of a Saudi Arabian Gulf knight wearing a ghutra a
A Saudi Arabian Gulf rider riding a purebred Arabian horse, horse stable, horse breeding farm, brown horse, breeding and training horses, equestrian club, horse riding hobby, horse taming
Celebrating with horses the anniversary of the founding of the first Saudi state in 1727 AD, Saudi Founding Day, February 22, practicing the hobby of horse riding, wearing costumes for national occasions and holidays, a Gulf man wearing a daghla and ghutr
A Saudi Gulf rider riding horses in the picturesque Saudi desert in the daytime mode, horse trainer, purebred Arabian horse, horse riding hobby, equestrianism, horse riding activities and events, skills and recreational activities
Love of equestrianism and horse riding hobby in the desert nature of the Kingdom of Saudi Arabia, a Saudi Arabian Gulf woman wearing a traditional dress caressing her purebred Arabian horse at sunset, the concept of passion in horse breeding, inheritance of love for horses from ancestors
National celebrations and events, Al-Ardah Al-Najdiyya band, songs and folk dance, an Arab Gulf man celebrates the National Day September 23rd at night time, a close-up of a purebred Arabian horse, Saudi Flag Day March 11th, black background with white li
A Saudi Arabian Khaleeji knight riding a horse in the Saudi desert, wearing traditional folk costumes, raising the Saudi flag, commemorating the Saudi founding, the first Saudi state 1727 AD, Saudi founding day, Saudi national holiday
A Saudi Gulf rider riding horses in the picturesque Saudi desert, holding a long sword, horse taming, horse trainer, purebred Arabian horse, horse riding hobby, equestrianism, horse riding activities and events, beauty of desert nature in Saudi Arabia, br
A Saudi Gulf man looking after his horse, horse trainer, purebred Arabian horse, horse riding hobby, equestrian, horse riding activities and events, skills and recreational activities
Practicing the hobby of raising horses, the anniversary of the founding of the Kingdom, February 22, Flag Day, March 11, celebration of the Saudi National Day, September 23, a picture from the side of a Saudi Gulf Arab man wearing the uniform of the Founding Day 1727 AD, riding an Arabian horse and holding the flag of the Kingdom in his hand, the passion for raising purebred horses.
Fun recreational activities, a young Saudi Arabian Gulf man riding a purebred Arabian horse and wearing an equestrian outfit, horse breeding in the Kingdom, horse riding hobby, horse training and taming farm in Saudi Arabia, equestrian club
National Day September 23, Saudi National Day 93, a Saudi Gulf Arab man wearing traditional folk costume and holding the Kingdom’s flag in his hand, riding a purebred Arabian horse in the desert, passing on the passion for raising horses between generations, Science Day March 11, sandy nature background