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China's polar icebreaker Xuelong 2 breaks ice in the waters in Antarctica, Nov. 22, 2019. (Xinhua/Liu Shiping)
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China's polar icebreaker Xuelong (back) follows the other icebreaker Xuelong 2 towards the designated unloading area near the Zhongshan Station in Antarctica, Nov. 23, 2019. (Xinhua/Liu Shiping)
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China's polar icebreaker Xuelong 2 breaks ice in the waters in Antarctica, Nov. 22, 2019. (Xinhua/Liu Shiping)
![](http://www.ecns.cn/hd/2019/11/25/6aaf282b00f747829f0fae6f0b962136.jpg)
China's polar icebreaker Xuelong 2 breaks ice in the waters in Antarctica, Nov. 22, 2019. (Xinhua/Liu Shiping)
![](http://www.ecns.cn/hd/2019/11/25/fed4b9ce06794394a7226c08580db777.jpg)
The helicopter unloads cargos from China's polar icebreaker Xuelong in the waters in Antarctica, Nov. 23, 2019. (Xinhua/Liu Shiping)
![](http://www.ecns.cn/hd/2019/11/25/7093dd79890a4c3f9d97e3bd39f3ff28.jpg)
China's polar icebreaker Xuelong 2 breaks ice in the waters in Antarctica, Nov. 22, 2019. (Xinhua/Liu Shiping)