A ranger from the Kenya Wildlife Service (KWS) adjusts the positioning of tusks on one of around a dozen pyres of ivory in Nairobi National Park, Kenya, April 28, 2016. The wildlife service has stacked 105 tons of ivory consisting of 16,000 tusks, and 1 ton of rhino horn, from stockpiles around the country, in preparation for it to be torched on Saturday to encourage global efforts to help stop the poaching of elephants and rhinos. (Photo provided to China News Service)
