Photo taken on Feb. 20, 2018 shows a rare species of leopard in the Lancangjiang park, northwest China's Qinghai Province. A wildlife ranger has captured photographs of a rare species of leopard in the Sanjiangyuan area of Qinghai Province, local authorities said on March 15, 2018. This was the first time a person has taken a photograph of the endangered species in the Sanjiangyuan area, according to Tsetentso, head of the Lancangjiang park management committee. (Xinhua/Kungkyap Chophun)