Al-Ahsa oasis’ riddle of the sands
Widely acknowledged as one of the world’s natural treasures, Al-Ahsa oasis in Saudi Arabia’s Eastern Province is home to shady palm groves, crystal clear springs, and a centuries-old secret. Scientists have long puzzled over how the ancient watercourse, the largest self-contained oasis in the world, managed to survive the passage of time, providing its lush, … Read more