People visit the frozen waterfall at the Blood Fairy Spring of Shijiazhuang, capital of north China's Hebei Province, Feb. 13, 2016. (Photo: Xinhua/Wang Xiao)
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People visit the frozen waterfall at the Blood Fairy Spring of Shijiazhuang, capital of north China's Hebei Province, Feb. 13, 2016. (Photo: Xinhua/Wang Xiao)