Petroglyphs or rock engravings, Twyfelfontein, UNESCO World Heritage Site, Damaraland, Kunene Region, Namibia, Africa

travel destination horizontal namibia day outdoors no people tourist destination tourist attraction place of interest petroglyph rock art etching carving animal symbolic hunter gatherer anthropology archaeological site ancient historical cultural wilton stone age culture group nobody no one no one daytime outside iconic icon symbol animals petroglyphs rock art