A tourist views the frozen waterfall in Mimishui scenic spot in Pingshan County of Shijiazhuang, capital of north China's Hebei Province, Dec. 21, 2017. (Xinhua/Lyu You)

Photo taken on Dec. 21, 2017 shows the frozen waterfall in Mimishui scenic spot in Pingshan County of Shijiazhuang, capital of north China's Hebei Province. (Xinhua/Lyu You)