Aerial photo shows the Yangsigang Yangtze River bridge in Wuhan, capital of central China's Hubei Province ,on Sept. 25, 2019 . The double-deck suspension bridge with the longest span in the world opened to traffic in Wuhan on Oct. 8, 2019. The double-deck road bridge over the Yangtze River, with a 1,700-meter-long main span, stretches 4.13 km in total length. The top deck of the 10th Yangtze River bridge has six lanes with a designed speed of 80 kph while the bottom deck also has six lanes but with a designed speed of 60 kph. (Xinhua/Xiong Qi)