Aerial photo taken on Feb. 21, 2017 shows snow scenery at the drum tower in Yinchuan, northwest China's Ningxia Hui Autonomous Region. (Xinhua/Wang Peng)
Aerial photo taken on Feb. 21, 2017 shows snow scenery at the drum tower in Yinchuan, northwest China's Ningxia Hui Autonomous Region. (Xinhua/Wang Peng)