Photo taken on Aug. 20, 2018 shows a railway section at Guoyuan Port in Chongqing, southwest China. As major shipping centers along the golden waterway of Yangtze River, Shanghai, Wuhan, and Chongqing have boosted the industrial transformation and upgrading of the Yangtze River Economic Belt by promoting the interconnection of transportation infrastructure while building a multimodal transport system. (Xinhua/Wang Quanchao)