ZHANGYE, Gansu Province, Oct. 20 (Xinhua)-- Pure and bright: The picturesque snow-covered scenery of Shandan Ranch in Zhangye, northwest China's Gansu Province.

Snow-covered Shandan Ranch, NW China Gansu, Oct.12, 2019 (Photo provided by Wang Chao)

Acrossoptilon auritum, a rare bird in China, forages in the snowfield, Oct.12, 2019. (Photo provided by Wang Chao)

Snow-covered Shandan Ranch, NW China Gansu, Oct.12, 2019 (Photo provided by Wang Chao)

Snow-covered Shandan Ranch, NW China Gansu, Oct.12, 2019 (Photo provided by Wang Chao) ■