A seafarer competes in blind knot tying during the 4th China Seafarer Skills Competition in Zhoushan, east China's Zhejiang Province, June 25, 2017. The 5-day competition kicked off here on Sunday. Total of 525 seafarers including 34 people from China's Taiwan, Macao and Hong Kong, attended the competition. (Xinhua/Shen Bohan)
