Roaring waves surge forward along the Qiantang River in Jiaxing City, east China's Zhejiang Province, Sept. 13, 2011. Tens of thousands of tourists have gathered in Jiangxing, one of the best tide-watching places, to watch the magnificent tidal bore. The tidal bore, an annual spectacular sight since ancient times, is known in the world for its roaring tides. The natural wonder has become a popular attraction for tourists across the globe.[Photo/Xinhua]