Several swans are seen at Gaotai section of Heihe River in northwest China's Gansu Province, on Jan. 3, 2009.[Photo: Xinhua]
![Several swans are seen at Gaotai section of Heihe River in northwest China's Gansu Province, on Jan. 3, 2009.[Photo: Xinhua]](http://images.china.cn/attachement/jpg/site1007/20090107/000d87ad3cdd0acea8640d.jpg "Several swans are seen at Gaotai section of Heihe River in northwest China's Gansu Province, on Jan. 3, 2009.[Photo: Xinhua]")
