twyfelfontein a site of ancient rock engravings

2014 africa ancient animals antelope antique archaeology archeology art beautiful bushman cave culture damaraland desert destinations drawing dry elephant engraving engravings famous gatherers giraffe granite herders heritage hieroglyph historic history hunter khoikhoi kunene landscape lion namibia northwestern old outdoors painting pattern prehistoric red region rock sandstone site spring stone texture traditional twyfelfontein uncertain unesco weathered wildlife world