Photo taken on Sept. 22, 2020 shows white rhinos at Uganda Wildlife Education Conservation Centre (UWEC) in Entebbe, Uganda. The UWEC offered free entrance to tourists and visitors on Tuesday during celebrations to mark the World Rhino Day. (Photo by Nicholas Kajoba/Xinhua)

Photo taken on Sept. 22, 2020 shows a white rhino at Uganda Wildlife Education Conservation Centre (UWEC) in Entebbe, Uganda. The UWEC offered free entrance to tourists and visitors on Tuesday during celebrations to mark the World Rhino Day. (Photo by Nicholas Kajoba/Xinhua)

A visitor touches a white rhino at Uganda Wildlife Education Conservation Centre (UWEC) in Entebbe, Uganda, Sept. 22, 2020. The UWEC offered free entrance to tourists and visitors on Tuesday during celebrations to mark the World Rhino Day. (Photo by Nicholas Kajoba/Xinhua)