People of the Dong ethnic group walk through the Chengyang Fengyu Bridge during a celebration ceremony marking the 100th anniversary of its completion held in Sanjiang Dong Autonomous County, south China's Guangxi Zhuang Autonomous Region, Dec. 1, 2012. Built in 1912, the 77.76-meter-long bridge is famed for its combination of bridge, veranda and Chinese pavilion. [Xinhua]