PHINDA, SOUTH AFRICA – NOVEMBER 04: Prince Charles, Prince of Wales and Camilla, Duchess of Cornwall ride in a safari vehicle as they spot rhino in the Phinda Game Reserve on the third day of their tour on November 4, 2011 in Johannesburg, South Africa. The Prince of Wales and the Duchess of Cornwall are on a five day tour of South Africa before heading to Tanzania for four days. The Royal couple will be highlighting environmental and social issues during their visit to Africa. (Photo by Chris Jackson/Getty Images)