Members of the Chinese expedition team attend the national flag-raising ceremony held on China's "Xue Long", or "Snow Dragon" icebreaker, at 88 degrees and 22 minutes north latitude Aug. 20, 2010. The Chinese fourth expedition team arrived at 88 degrees and 22 minutes north latitude on Friday, which is the highest latitude ever reached by Chinese ships. [Zhang Jiansong/Xinhua]
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