North of Tombouctou the desert is dangerous. The men of the caravans do not neglect their prayers. They ask God's blessing five times a day.A small caravan crosses the dunes near a rain filled lakeReg desert is composed of dirt and plants and sand.A solitary tourist scans the desert for ancient artifacts. The sahara is filled with the remains of prehistoric civilizations.Sunlight on blue rocks in MaliSand dunes in Tichit Mauritania.The outlines of the settlement at Traza. Wandering over the site, I discovered some ancient pottery and some beads made from stone.A moving sand dune in Tichit, Mauritania. The constant wind blows the sand from the windward side over the top. The sand cascades down the face of the dune and piles up. Over much time the dune is inched westward.Camels enjoy standing in water to their knees while the graze in a grass filled lake near Merzouga, Morocco. The lake bed is filled only during the rainy season.
Click for large image

Reg desert is composed of dirt and plants and sand.