cow - cave paintings and petroglyphs at tamezguidaalgeria

abstract acacus africa ajjer akakus algeria algerie arid boumediene bull carving cattle colorful cow desert djanet dry erg formation geology hamada heat heritage hill illizi landscape mammal man mountain najjer national nature noires outdoor parietal park pattern petroglyph reg rock sahara scenic sculpture shadow stone tadrart tamezguida tassili texture unesco