Tourists watch the Hukou Waterfalls on the Yellow River in Linfen, north China's Shanxi Province, July 21, 2016. The Hukou Waterfalls enter a summer flood period due to heavy rainfall in the upstream regions. (Photo/Xinhua)
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Tourists watch the Hukou Waterfalls on the Yellow River in Linfen, north China's Shanxi Province, July 21, 2016. The Hukou Waterfalls enter a summer flood period due to heavy rainfall in the upstream regions. (Photo/Xinhua)
