Engraving of a group of people, neolithic rockart of the Acacus Mountains or Tadrart Acacus range, Tassili n'Ajjer National Park, Unesco World Heritage Site, Algeria, Sahara, North Africa

acacus africa african african aged algeria algerian art being beings brown carving carvings cultural culturally culture cultures depiction depictions detail details engraving engraving engravings figure figures group heritage historic human humans korrektur mountains najjer national neolithic nobody north of old or park people person persons petroglyph petroglyphs petrograph petrographs picture pictures prehistoric prehistorical range representation representations rock rockart rocks rocky sahara score scored scoring scratch scratched scratching scribe scribed scribing site stone tadrart tassili the unesco world