The photo taken on November 6, 2010 shows swans prowling at the Sayram Lake in Northwest China's Xinjiang Uygur autonomous region. Sayram Lake Scenic Area has closed the lake loop road to protect hibernating swans from being disturbed or harmed during their winter slumber. The scenic area administrator has strictly protected the wetland's ecological environment over the past several years for inhabiting birds. [Photo/Xinhua]
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