A tourist feeds black swans at the Puzhehei scenic spot in Qiubei County, southwest China's Yunnan Province, Nov. 2, 2013. Numerous migrant birds came to Puzhehei to spend winter. [Xinhua]

Migrant birds fly over a lake at the Puzhehei scenic spot in Qiubei County, southwest China's Yunnan Province, Nov. 2, 2013. Numerous migrant birds came to Puzhehei to spend winter. [Xinhua]

Black swans are seen at the Puzhehei scenic spot in Qiubei County, southwest China's Yunnan Province, Nov. 2, 2013. Numerous migrant birds came to Puzhehei to spend winter. [Xinhua]

Migrant birds come to Puzhehei to spend winter 0 Comment(s)Print E-mail Xinhua, November 4, 2013 [Xinhua]

Black swans are seen at the Puzhehei scenic spot in Qiubei County, southwest China's Yunnan Province, Nov. 2, 2013. Numerous migrant birds came to Puzhehei to spend winter. [Xinhua]

Black swans are seen at the Puzhehei scenic spot in Qiubei County, southwest China's Yunnan Province, Nov. 2, 2013. Numerous migrant birds came to Puzhehei to spend winter. [Xinhua]

Migrant birds play on a lake at the Puzhehei scenic spot in Qiubei County, southwest China's Yunnan Province, Nov. 2, 2013. Numerous migrant birds came to Puzhehei to spend winter. [Xinhua]

Black swans are seen at the Puzhehei scenic spot in Qiubei County, southwest China's Yunnan Province, Nov. 2, 2013. Numerous migrant birds came to Puzhehei to spend winter. [Xinhua]