Aerial photo taken on Nov. 24, 2018 shows winter scenery in Xiaqunsi Forest Park of Ping'an County, northwest China's Qinghai Province. (Xinhua/Wu Gang)
Aerial photo taken on Nov. 24, 2018 shows winter scenery in Xiaqunsi Forest Park of Ping'an County, northwest China's Qinghai Province. (Xinhua/Wu Gang)
Aerial photo taken on Nov. 24, 2018 shows winter scenery in Xiaqunsi Forest Park of Ping'an County, northwest China's Qinghai Province. (Xinhua/Wu Gang)
Aerial photo taken on Nov. 24, 2018 shows winter scenery in Xiaqunsi Forest Park of Ping'an County, northwest China's Qinghai Province. (Xinhua/Wu Gang)
Aerial photo taken on Nov. 24, 2018 shows winter scenery in Xiaqunsi Forest Park of Ping'an County, northwest China's Qinghai Province. (Xinhua/Wu Gang)