Nanjing Yangtze River Bridge

This 1982 photo shows the Nanjing Yangtze River Bridge (南京长江大桥 Nánjīngchángjiāngdàqiáo) — a double-decked road-rail truss bridge that spans the Yangtze River between Pukou and Xiaguan in Nanjing. Completed and open for traffic in 1968, it was the first heavy bridge designed and built by Chinese engineers. Watch this video to learn more about China’s modern bridges, including the world’s longest sea-crossing project.