Participants of the 4th national military camp for students visit the training ship "Qi Jiguang" with the guidance of a trainer in Dalian, coastal city of northeast China's Liaoning Province, July 31, 2017. The opening ceremony of the 4th national military camp for students was held on the training ship "Qi Jiguang" at Lyushun naval port in Dalian on Monday. Over 300 teachers and students from across China attended the event to learn military theories and receive sail training. (Xinhua/Long Lei)
