![<p>Photo taken by infrared camera on Nov. 16, 2017 shows a wild leopard in Baizha forest farm of Nangqian County, Yushu Tibetan Autonomous Prefecture, northwest China's Qinghai Province. A total of 21 pieces of video footage and photos of wild leopard have been taken during a biological diversity survey in the forest farm since Oct. 17. (Photo provided by Shanshui Conservation Center)</p>](http://www.ecns.cn/hd/2017/12/07/77dcc5c0fe28406197deb25b42a5616c.jpg)
Photo taken by infrared camera on Nov. 16, 2017 shows a wild leopard in Baizha forest farm of Nangqian County, Yushu Tibetan Autonomous Prefecture, northwest China's Qinghai Province. A total of 21 pieces of video footage and photos of wild leopard have been taken during a biological diversity survey in the forest farm since Oct. 17. (Photo provided by Shanshui Conservation Center)
![Photo taken by infrared camera on Oct. 28, 2017 shows a wild leopard in Baizha forest farm of Nangqian County, Yushu Tibetan Autonomous Prefecture, northwest China's Qinghai Province. A total of 21 pieces of video footage and photos of wild leopard have been taken during a biological diversity survey in the forest farm since Oct. 17. (Photo provided by Shanshui Conservation Center)](http://www.ecns.cn/hd/2017/12/07/fd6b6ebf1bb540189bb91c813a0f28cd.jpg)
Photo taken by infrared camera on Oct. 28, 2017 shows a wild leopard in Baizha forest farm of Nangqian County, Yushu Tibetan Autonomous Prefecture, northwest China's Qinghai Province. A total of 21 pieces of video footage and photos of wild leopard have been taken during a biological diversity survey in the forest farm since Oct. 17. (Photo provided by Shanshui Conservation Center)
![Photo taken by infrared camera on Oct. 28, 2017 shows a wild leopard in Baizha forest farm of Nangqian County, Yushu Tibetan Autonomous Prefecture, northwest China's Qinghai Province. A total of 21 pieces of video footage and photos of wild leopard have been taken during a biological diversity survey in the forest farm since Oct. 17. (Photo provided by Shanshui Conservation Center)](http://www.ecns.cn/hd/2017/12/07/e332da1cf034490b9b936e5dbf30bd69.jpg)
Photo taken by infrared camera on Oct. 28, 2017 shows a wild leopard in Baizha forest farm of Nangqian County, Yushu Tibetan Autonomous Prefecture, northwest China's Qinghai Province. A total of 21 pieces of video footage and photos of wild leopard have been taken during a biological diversity survey in the forest farm since Oct. 17. (Photo provided by Shanshui Conservation Center)
![Photo taken by infrared camera on Oct. 25, 2017 shows a wild leopard in Baizha forest farm of Nangqian County, Yushu Tibetan Autonomous Prefecture, northwest China's Qinghai Province. A total of 21 pieces of video footage and photos of wild leopard have been taken during a biological diversity survey in the forest farm since Oct. 17. (Photo provided by Shanshui Conservation Center)](http://www.ecns.cn/hd/2017/12/07/1d8fa27606384fdcabbd29398a9566cb.jpg)
Photo taken by infrared camera on Oct. 25, 2017 shows a wild leopard in Baizha forest farm of Nangqian County, Yushu Tibetan Autonomous Prefecture, northwest China's Qinghai Province. A total of 21 pieces of video footage and photos of wild leopard have been taken during a biological diversity survey in the forest farm since Oct. 17. (Photo provided by Shanshui Conservation Center)
![Photo taken by infrared camera on Aug. 15, 2017 shows wild leopards in Baizha forest farm of Nangqian County, Yushu Tibetan Autonomous Prefecture, northwest China's Qinghai Province. A total of 21 pieces of video footage and photos of wild leopard have been taken during a biological diversity survey in the forest farm since Oct. 17. (Photo provided by Shanshui Conservation Center)](http://www.ecns.cn/hd/2017/12/07/19091b9037fe4a3691b8d5579cb011ee.jpg)
Photo taken by infrared camera on Aug. 15, 2017 shows wild leopards in Baizha forest farm of Nangqian County, Yushu Tibetan Autonomous Prefecture, northwest China's Qinghai Province. A total of 21 pieces of video footage and photos of wild leopard have been taken during a biological diversity survey in the forest farm since Oct. 17. (Photo provided by Shanshui Conservation Center)