China building world's first deep sea mining vessel

Photo taken on Sept. 20, 2017 shows the construction site of world's first deep ocean mining vessel in southeast China's Fujian Province. The 227-meter-long boat, upon completion, will be capable of working at depths of 2.5 kilometers and carrying 40,000 tons of ore. The construction of the hull of the vessel has been completed, according to its builder Fujian Mawei Shipbuilding Ltd. (Xinhua/Song Weiwei)