An ethnic Dogon cattle herder poses for a picture in Markala, Mali, where French troops are stationed, January 18 2013. Islamist rebels in Mali abandoned the central town of Diabaly on Friday after fleeing a French air strike, military sources said, while West African troops arrived in Bamako to take on the insurgents in Mali's north. REUTERS/Joe Penney (MALI - Tags: ANIMALS SOCIETY POLITICS CONFLICT)