Asia's largest dredging vessel begins water tests

Aerial photo taken on Nov. 3, 2017 shows the Chinese-made dredging vessel "Tian Kun Hao" in water near a shipyard of Shanghai Zhenhua Heavy Industry Co. Ltd. in Qidong, east China's Jiangsu Province. The vessel, the largest of its kind in Asia, started water testing in Jiangsu Friday. (Xinhua/Xu Congjun)