Photo shows a Zaocys nigromarginatus at Gaoligong Mountain in southwest China’s Yunnan province. (Photo: People's Daily Online)

Photo shows a Pseudoxenodon macrops at Gaoligong Mountain in southwest China’s Yunnan province. (Photo: People's Daily Online)

Photo shows a Viridovipera yunnanensis at the Longling Xiaoheishan Provincial Nature Reserve in southwest China’s Yunnan province. (Photo: People's Daily Online)

Photo shows an Ovophis monticola monticola at Gaoligong Mountain in southwest China’s Yunnan province. (Photo: People's Daily Online)

Photo shows a Lycodon fasciatus at Gaoligong Mountain in southwest China’s Yunnan province. (Photo: People's Daily Online)

Photo shows a Pareas margaritophorus at Gaoligong Mountain in southwest China’s Yunnan province. (Photo: People's Daily Online)

Photo shows an Ahaetulla prasina at Gaoligong Mountain in southwest China’s Yunnan province. (Photo: People's Daily Online)

Photo shows an Orthriophis taeniurus at the Longling Xiaoheishan Provincial Nature Reserve in southwest China’s Yunnan province. (Photo: People's Daily Online)

Photo shows a Naja naja kaouthia at Gaoligong Mountain in southwest China’s Yunnan province. (Photo: People's Daily Online)