Photo taken on July 25, 2017 shows the construction site of the fourth phase of the Yangshan deep water port in Shanghai, east China. China's biggest automated cargo wharf, the fourth phase of the Yangshan deep water port, will start trial operation by the end of 2017. Upon completion of the project, the port will have seven deep-water berths and is expected to handle an annual throughput of four million TEUs (twenty-foot equivalent unit). (Xinhua/Shen Hong)
