Asia's largest dredging vessel begins water tests

Staff workers wave hands on the Chinese-made dredging vessel "Tian Kun Hao" at a shipyard of Shanghai Zhenhua Heavy Industry Co. Ltd. in Qidong, east China's Jiangsu Province, Nov. 3, 2017. The vessel, the largest of its kind in Asia, started water testing in Jiangsu Friday. (Xinhua/Ding Ting)