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Winter comes, so do swans
(Xinhua)
Updated: 2009-01-05 16:20

Swans are seen on the float ice of 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]