Prehistoric rock engraving of the famous curly cow, neolithic rock art of Tinterhert, Dider Valley, Tassili n'Ajjer National Park, Unesco World Heritage Site, Wilaya Illizi, Algeria, Sahara, North Africa

africa african african aged algeria algerian animal animals area areas art attraction attractions carving carvings conservation cow curly day daylight daytime desert deserts dider drawing during engraving engravings exterior exteriors famous heritage historic historical historically history illizi known korrektur najjer national national natural nature neolithic nobody north of old outdoor painting paintings park park parks petroglyph petroglyphs petrograph petrographs photo photos pictogram pictogramme pictogrammes pictograms pictograph pictographs prehistoric prehistoric prehistorical preserve preserves renowned reserve reserves rock sahara sanctuaries sanctuary seeing shot shots sight sights site site sites sites tassili the tinterhert tourism tourist touristic touristical touristically touristy unesco unesco valley well well known wilaya wildlife work works world worth