Eric Coqueugniot, leader of the French archaelogical mission, shows flint tools which were discovered during the excavation of the "bucrania" (bull head) at Al Dja'da, East Aleppo city, northern Syria October 2, 2006. After fifteen years of excavations on the bank of Euphrates rives, under direction of Coqueugniot, the French archaeological mission at Dja'da found some walls which bore symbols of a bull head and are decorated with polychrome geometric paintings. REUTERS/Khaled al-Hariri (SYRIA)