
Citizens and students gather together to celebrate the 50th anniversary of the opening traffic of the Wuhan Yangtze River Bridge in Wuhan, capital of central China's Hubei Province Oct. 14, 2007. The bridge, completed on Oct. 15, 1957, is the first railway-highway bridge over the Yangtze River. (Xinhua Photo)

Citizens and students sign on a banner to celebrate the 50th anniversary of the opening traffic of the Wuhan Yangtze River Bridge in Wuhan, capital of central China's Hubei Province Oct. 14, 2007. (Xinhua Photo)

Zhao Yucheng, co-designer of the Wuhan Yangtze River Bridge, signs autograph for a visitor during the celebration of the 50th anniversary of the opening traffic of the bridge in Wuhan, capital of central China's Hubei Province Oct. 14, 2007. (Xinhua Photo)

Zhao Yucheng, co-designer of the Wuhan Yangtze River Bridge, tells the story of the bridge during the celebration of the 50th anniversary of the opening traffic of the bridge in Wuhan, capital of central China's Hubei Province Oct. 14, 2007. (Xinhua Photo)