1 / 4   Five-year construction of a double-deck railway bridge in the southwestern Chinese city of Chongqing has come to an end and it is ready to be opened to the public. /Xinhua Photo

2 / 4   The New Baishatuo Bridge, which boasts the world’s first steel truss cable-stayed bridge, is 5.32 kilometers long and will be considered as the main channel for the Chongqing-Guizhou Railway to cross the Yangtze River after the railway line is put in use this January. /Xinhua Photo

3 / 4   According to China Railway Major Bridge Engineering Group, the upper level, which has four tracks, is designed for passenger trains with a projected speed of 200km/h while the lower level has two tracks for freight trains with a projected speed of 120km/h, which has made the bridge reputed as the world’s first double-deck railway bridge. /Xinhua Photo

4 / 4   The bridge will reportedly shorten the travel time between Chongqing and Guiyang in Guizhou Province to two hours from the previous 10 hours. /Xinhua Photo