EGYPT, Sharq El Owainat
The Nubian Sandstone Aquifer System, buried beneath the sand, allows patches of agriculture to survive in the middle of the desert. The aquifer is the only source of water for Egyptians living away from the Nile River. More than 95 percent of Egypt is uninhabitable desert with an average annual precipitation of 0 millimeters.
The crop circles are a result of center-pivot irrigation, an efficient method for water conservation in...more »