File photo taken on Sept. 24, 2019 shows a view of the Bird Island at Qinghai Lake, northwest China’s Qinghai Province. (Xinhua/Li Linhai)
File photo taken on Sept. 11, 2019 shows birds and naked carp, a fish species endemic to the lake that once sharply declined due to over-fishing, at Qinghai Lake, northwest China’s Qinghai Province. (Xinhua/Li Linhai)
File photo taken on March 16, 2020 shows Wu Yonglin with the Qinghai Lake National Nature Reserve posing with Przewalski’s gazelles in northwest China’s Qinghai Province. (Xinhua)