A woman carrying her child on her back walks on the Balinghe Bridge in Guanling County, southwest China's Guizhou Province, December 23, 2009. The 2,237-meter-long bridge was opened to traffic on Wednesday. [Xinhua]

This photo taken on December 23, 2009 shows the Balinghe Bridge in Guanling County, southwest China's Guizhou Province. The 2,237-meter-long bridge was opened to traffic on Wednesday. [Xinhua]