Photo taken on Sept. 30, 2015 shows the Kaogu 01 ship conducting underwater archaeological studies in Dandong, northeast China's Liaoning Province. "Dandong No.1", a shipwreck discovered last year near Dandong Port, has been confirmed as cruiser Zhiyuan, one of the warships of the Beiyang Fleet sunk by the Japanese navy during the first Sino-Japanese War 121 years ago. Over 100 items have been salvaged from the wreck during the past two months. (Xinhua/Pan Yulong)
