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Winter comes, so do swans

(Xinhua)
Updated: 2009-01-05 16:20

Swans take wing as others swim on the Heihe River in Gaitai, Northwest China's Gansu province, Januray 5, 2009. As local environment keeps improving, more and more swans have arrived in the middle and lower reaches of the Heihei River to spend winter. [Xinhua]

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