South West Africa 367-369, MNH, $9.25. Michel 396-398, Euros 18.75. Rock carving, Twyfelfontein, 1974. Giraffe, horse, Elephant, Deer. Twyfelfontein is a site in the Kunene Region of Namibia containing 2,000 figures of rock carvings. In 2007, UNESCO approved it as Namibia's first World Heritage Site.