Photo taken on Dec. 20, 2016 shows a frozen waterfall in the Huhushui scenic area in Pingshan County of Shijiazhuang, capital of north China's Hebei Province. (Xinhua/Liu Yuhe)
Photo taken on Dec. 20, 2016 shows a frozen waterfall in the Huhushui scenic area in Pingshan County of Shijiazhuang, capital of north China's Hebei Province. (Xinhua/Liu Yuhe)