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In this Wednesday Aug. 31, 2011 photo, spectators flee as waves created by a tidal bore crash over a barrier on the Qiantang river at Haining, in east China's Zhejiang province. About 20 people were injured when they were caught too close to the river while viewing the annual tidal bore, which occurs when sea water from an unusually high tide funnels into the river, creating high waves. (KEYSTONE/AP Photo/Str) CHINA OUT