Gilf Kebir and Jebel Uwainat on the borders of Egypt, Libya and Sudan. http://www.tobysavage.co.uk/showgallery.asp?id=43 Germa Libya Garamante http://www.tobysavage.co.uk/showgallery.asp?id=38 The Garamantes were a Saharan people of Berber origin who used an elaborate underground irrigation system, and founded a kingdom in the Fezzan area of modern-day Libya , in the Sahara desert .