prehistoric bushman engravings at twyfelfontein - plate with rock paintings from animals and s, vertical

africa african ancient antelope archeology art background bushman carving culture damaraland desert drawing dry elephant engraving giraffe granite heritage hieroglyph historic history horizontal landscape lion mountain namibia native natural nature old painting pattern prehistoric red rock sandstone season site stone symbol texture travel twyfelfontain twyfelfontaine twyfelfontein twyfelfonteine unesco wild wildlife