What is the surface of XXX made of?
Wanxian Bridge
Wanxian Bridge, or Wanzhou Bridge (simplified Chinese: 万县长江大桥; traditional Chinese: 萬縣長江大橋; pinyin: Wànxiàn Chángjiāng Dàqiáo), is a reinforced concrete arch bridge built over the Yangtze River in 1997.