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
Aerial photo taken on Dec. 24, 2019 shows China's polar icebreaker Xuelong 2 in the Cosmonauts Sea. China's polar icebreakers Xuelong and Xuelong 2 will conduct scientific researches in the Southern Ocean. (Xinhua/Liu Shiping)
Aerial photo taken on Dec. 24, 2019 shows China's polar icebreaker Xuelong 2 in the Cosmonauts Sea. China's polar icebreakers Xuelong and Xuelong 2 will conduct scientific researches in the Southern Ocean. (Xinhua/Liu Shiping)