Photo taken on Dec. 10, 2017 shows the Phase IV of Shanghai Yangshan Deep Water Port in Shanghai, east China. Located at the south of Donghai Bridge, phase IV of the Yangshan Port, the world's biggest automated container terminal, started trial operations on Sunday. It covers 2.23 million square meters and has a 2,350-meter shoreline. Once it enters full operation, the fourth phase of the Yangshan Port will initially be able to handle 4 million TEUs (twenty-foot equivalent units). The number will expand to 6.3 million TEUs at a later stage. (Xinhua/Ding Ting)