Abri with neolithic rock art on Tasset Plateau, Tassili n'Ajjer National Park, Unesco World Heritage Site, Wilaya Illizi, Algeria, Sahara, North Africa

abri africa african african aged algeria algerian art barren barrenness blue countryside day daylight daytime during exterior exteriors face faces heritage historic illizi landscape landscapes meager meagre najjer national national nature neolithic nobody north of old on outdoor painting paintings park park parks photo photos pictogram pictogramme pictogrammes pictograms pictograph pictographs plateau plateau rock rock face rock faces rockface rockfaces rocks rocky sahara scenery scenic shot shots site sites sky starkness tableland tasset tassili the unesco unesco wilaya with work works world