Olduvai Gorge – The Shifting Sand Dunes
Located near Olduvai Gorge lies the spectacular, yet mysterious, ash dunes of Shifting Sands. Formed from volcanic ash, these crescent-shaped dunes are a rare phenomenon, and are technically referred to as barkan. These dunes are formed when there’s ample dust on the ground and a unidirectional wind to create the moving effect. The volcanic ash…
