Aerial photo taken on July 25, 2018 shows Phase IV of the Yangshan Deep Water Port of east China's Shanghai. 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/Ding Ting)