Fig. 1: Map of Egypt. The study area is located in southern Egypt, in the Kharga oasis, one of the main current oasis of the Libyan Desert. The region of Douch (Fig.1), in the Libyan desert (Egypt), has been studied by archaeologists of the French Institute of Oriental Archeology (IFAO) since 1976. It presents the observer with an entirely original landscape (Figure 2): the region is one of the most arid in the world and rainfall is almost zero. In d...