rock art of the san people

animals giraffe age antelope archaeological archaeology archeological bird boulder bygone carved damaraland desert engraved engraving etch khoikhoi kunene lion location mammal namibia namibian orange petroglyph rhino sandstone scratched site subject twyfelfontein unesco wild world ancient san stone old texture people art background bushmen cederberg culture cave history prehistoric rock abstract surface traditional africa archeology bushman drakensberg drawing tribe anthropology illustration primitive symbol ancestors color detail ethnic illustrate natural ochre paint religion structure tradition african heritage historic man painting pattern red