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A ship and three boats attend a rescue mission for a crashed helicopter from China's Antarctic exploration ship "Xuelong" near the estuary of the Yangtze River in east China, on April 12, 2009. [Xinhua]
(Xinhua News Agency April 13, 2009)
![A ship and three boats attend a rescue mission for a crashed helicopter from China's Antarctic exploration ship 'Xuelong' near the estuary of the Yangtze River in east China, on April 12, 2009. [Photo: Xinhua]](http://images.china.cn/attachement/jpg/site1007/20090413/000802ab80120b4d28b026.jpg "A ship and three boats attend a rescue mission for a crashed helicopter from China's Antarctic exploration ship 'Xuelong' near the estuary of the Yangtze River in east China, on April 12, 2009. [Photo: Xinhua]")