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Xue Long (simplified Chinese: 雪龙; traditional Chinese: 雪龍; pinyin: Xuě Lóng; lit. 'Snow Dragon', shway-lung) is a Chinese icebreaking research vessel. Built in 1993 at Kherson Shipyard in Ukraine, she was converted from an Arctic cargo ship to a polar research and re-supply vessel by Hudong-Zhonghua Shipbuilding of Shanghai by the mid-90s. The vessel was extensively upgraded in 2007 and 2013.