The content originally appeared on: CNN (CNN) - In the Great Karoo, a vast semi-arid expanse in South Africa, lions and cheetahs once roamed. But then came farms and fences and guns. By the 1840s lions were gone; then by the 1870s, cheetahs too. Much of what is now the Samara Private Game Reserve, in the Eastern Cape, became home to livestock. That was until 1997, when nature was once again allowed to take its course over thousands of acres […]