Aerial photo taken on Aug. 13, 2018 shows containers at the Yangluo port in Wuhan, capital of central China's Hubei Province. 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/Xiao Yijiu)

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)

A bridge crane works at Guoyuan Port in Chongqing, southwest China, Aug. 20, 2018. 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)

A staff member does container lifting operation with an intelligent remote control system at Guoyuan Port in Chongqing, southwest China, Aug. 20, 2018. 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)

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)

Aerial photo taken on Aug. 13, 2018 shows the Yangluo port in Wuhan, capital of central China's Hubei Province. 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/Xiao Yijiu)

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)

Aerial photo taken on Aug. 13, 2018 shows the Yangluo port in Wuhan, capital of central China's Hubei Province. 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/Xiao Yijiu)

Aerial photo taken on Aug. 20, 2018 shows new cars to be transported 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)

A truck loaded with new cars drives in Guoyuan Port in Chongqing, southwest China, Aug. 20, 2018. 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)