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Tian Kun Hao, a Chinese-built dredging vessel which is the largest of its kind in Asia, sails in a sea trial after departing a port in east China's Jiangsu Province, June 11, 2018. Tian Kun Hao, constructed by Tianjin Dredging Co. Ltd., a subsidiary of China Communication Construction Co., Ltd. (CCCC), finished its first sea trial. The 140-meter-long vessel, with the designed capacity to dredge 6,000 cubic meters per hour, can dig as deep as 35 meters under the sea floor. (Xinhua/Mao Zhenhua)
