Powerful waves roar over a defensive wall, scaring spectators along the Qiantang River in Hangzhou, East China's Zhejiang province, Sept 3, 2016. The 'trumpet-shaped' mouth of the Qiantang, which sees large waves created by incoming tides from the East China Sea, is thought to be the biggest in the world and the natural wonder attracts many visitors. [Photo/VCG] |