Rock engraving, petrograph 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

africa african african aged algeria algerian animal animals art attraction attractions carving carvings cow cows cultural culturally culture cultures curly day daylight daytime dider during engraving engravings exterior exteriors famous heritage historic historical historically history illizi known najjer national neolithic nobody north of old outdoor painting paintings park petroglyph petroglyphs petrograph petrographs photo photos pictogram pictogramme pictogrammes pictograms pictograph pictographs renowned rock rock sahara seeing shot shots sight sights site site sites sites tassili the tinterhert tourist unesco unesco valley well well known wilaya work works world worth