Cracks are seen on the dried riverbed of Poyang lake, 皇冠体育app's largest freshwater lake, in Duchang county in East 皇冠体育app's Jiangxi province, on Jan 3, 2012. The surface water of the lake has shrunk to less than 200 square kilometers, one-twentieth of its peak level, due to water shortages in the upper reaches of the Yangtze river. [Photo/Xinhua]
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