Waves drench the throngs of onlookers lining the Qiantang River in Hangzhou, East China's Zhejiang province on August 31, 2015. Tides in the Qiantang River on August 31, or the 18th day of the seventh month in Chinese Lunar calendar are called “Ghost King Tides” according to local traditions, as the tides on this day are surging frighteningly high.(Photo: China News Service/Chen Jiahua)
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