Photos taken by infrared camera and released by the Shanshui Conservation Center in Beijing, on Jan. 21, 2019, show a leopard in the Three-River Source National Nature Reserve (Sanjiangyuan) in Qinghai Province. Researchers have found a great number of rare wild animals in the reserve. (Photo provided to China News Service)
Photos taken by infrared camera and released by the Shanshui Conservation Center in Beijing, on Jan. 21, 2019, show an alpine musk deer in the Three-River Source National Nature Reserve (Sanjiangyuan) in Qinghai Province. Researchers have found a great number of rare wild animals in the reserve. (Photo provided to China News Service)
Photos taken by infrared camera and released by the Shanshui Conservation Center in Beijing, on Jan. 21, 2019, show a blue sheep in the Three-River Source National Nature Reserve (Sanjiangyuan) in Qinghai Province. Researchers have found a great number of rare wild animals in the reserve. (Photo provided to China News Service)
Photos taken by infrared camera and released by the Shanshui Conservation Center in Beijing, on Jan. 21, 2019, show a red fox in the Three-River Source National Nature Reserve (Sanjiangyuan) in Qinghai Province. Researchers have found a great number of rare wild animals in the reserve. (Photo provided to China News Service)
Photos taken by infrared camera and released by the Shanshui Conservation Center in Beijing, on Jan. 21, 2019, show a wolf in the Three-River Source National Nature Reserve (Sanjiangyuan) in Qinghai Province. Researchers have found a great number of rare wild animals in the reserve. (Photo provided to China News Service)
Photos taken by infrared camera and released by the Shanshui Conservation Center in Beijing, on Jan. 21, 2019, show a Tibetan snowcock in the Three-River Source National Nature Reserve (Sanjiangyuan) in Qinghai Province. Researchers have found a great number of rare wild animals in the reserve. (Photo provided to China News Service)
Photos taken by infrared camera and released by the Shanshui Conservation Center in Beijing, on Jan. 21, 2019, show a snow leopard in the Three-River Source National Nature Reserve (Sanjiangyuan) in Qinghai Province. Researchers have found a great number of rare wild animals in the reserve. (Photo provided to China News Service)
Photos taken by infrared camera and released by the Shanshui Conservation Center in Beijing, on Jan. 21, 2019, show a manul in the Three-River Source National Nature Reserve (Sanjiangyuan) in Qinghai Province. Researchers have found a great number of rare wild animals in the reserve. (Photo provided to China News Service)
Photos taken by infrared camera and released by the Shanshui Conservation Center in Beijing, on Jan. 21, 2019, show snow leopard cubs in the Three-River Source National Nature Reserve (Sanjiangyuan) in Qinghai Province. Researchers have found a great number of rare wild animals in the reserve. (Photo provided to China News Service)