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Icicles are seen at the Hukou Waterfall of the Yellow River in Jixian County, north China's Shanxi Province, Dec. 23, 2018. (Xinhua/Lyu Guiming)
Icicles are seen at the Hukou Waterfall of the Yellow River in Jixian County, north China's Shanxi Province, Dec. 23, 2018. (Xinhua/Lyu Guiming)