Photo taken on Jan. 23, 2016 shows the frozen waterfall illuminated by colored lights in Pingshan County of Shijiazhuang, capital of north China's Hebei Province. (Photo: Xinhua/Pu Dongfeng)
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Photo taken on Jan. 23, 2016 shows the frozen waterfall illuminated by colored lights in Pingshan County of Shijiazhuang, capital of north China's Hebei Province. (Photo: Xinhua/Pu Dongfeng)
