rock drawing, painted antelopes on rocks, twyfelfontein, namibia, rock painting, rock pictures

africa african ancient animals antelope antelopes archaeological archaeology archeology art bushman bushmen calligraphy culture damaraland drawing engrave engraving engravings epigraphs geologic geology granite hieroglyph historic inscriptions layer layers mineral namibia namibian native old paint painted painting paintings picture pictures prehistoric rock rocks stone twyfelfontein wildlife