The Eye of the Sahara...
The Eye of the Sahara is a 25-mile wide geologic feature in the desert of Mauritania. Officially k... ...urface but didn't make it all the way, creating a dome of rock layers, like a very large pimple. This al... ...of the wind and sand shaving off and leveling the dome that w...
https://www.neatorama.com/2016/07/17/The-Eye-of-the-Sahara-2/
