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
Photo taken on Jan. 8, 2018 shows icicles and a rainbow at Hukou Waterfall of the Yellow River at the border area between north China's Shanxi Province and northwest China's Shaanxi Province. (Xinhua/Lyu Guiming)
Photo taken on Jan. 8, 2018 shows icicles and a rainbow at Hukou Waterfall of the Yellow River at the border area between north China's Shanxi Province and northwest China's Shaanxi Province. (Xinhua/Lyu Guiming)