ocr: South Africa has a huge potential for tourism. Its attractions range from beaches to mountains, from prize-winning vineyards to internationally renowned wildlife reserves. The Rruger National Park is perhaps the most diverse in the world, with 137 species of mammal and 450 species of bird. This potential, however, has yet to be fully realized. South Africa's isolation during the apartheid era kept tourist numbers down. - Today, the key constraints on ettorts to expand tourism are political uncertainty and the rising level of violent crime.
