Yulong Bridge is the famous old bridge in Guangxi built in Ming Dynasty.It is 60 meters long, 5 meters wide, 9 meters high and with 18 meters span.The army of the Taiping Heavenly Kingdom(1851-1864 A.D.) and the Chinese Workers'and Peasants'Red Army (1928-1937 A.D.)once tramped on it.Yulong Bridge:http://www.yangshuoonline.com/post/Yulong-Bridge.html