LINFEN, Feb. 17, 2016 -- An excavator cleans away ice at the Hukou Waterfall of the Yellow River in Jixian County, north China's Shanxi Province, Feb. 16, 2016. Excavators were used to clean away piled ice for the safety of visitors at the Hukou Waterfall in recent days. (Xinhua/Lv Guiming)
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