825-41 - Ancient drawings (petroglyphs) on sandstone rock, dating back 6000 years to the early stone age, of camels and also animals no longer found in the area, Twyfelfontein, UNESCO World Heritage Site, Namibia, Africa
770-1764 - Twyfelfontein rock engravings (petroglyphs) dating from the late Stone Age, between 6000 and 2000 years, UNESCO World Heritage Site, Kunene region, Namibia, Africa
770-1763 - Twyfelfontein rock engravings (petroglyphs), dating from the Late Stone Age between 6000 and 2000 years, UNESCO World Heritage Site, Kunene region, Namibia, Africa
770-1762 - Twyfelfontein rock engravings (petroglyphs) dating from the late Stone Age, between 6000 and 2000 years, UNESCO World Heritage Site, Kunene region, Namibia, Africa
770-1766 - Twyfelfontein rock engravings (petroglyphs) dating from the late Stone Age, between 6000 and 2000 years, UNESCO World Heritage Site, Kunene region, Namibia, Africa
770-1765 - Twyfelfontein rock engravings (petroglyphs) dating from the late Stone Age, between 6000 and 2000 years, UNESCO World Heritage Site, Kunene region, Namibia, Africa