Birds fly above the wetland of the Dongting Lake in Yueyang, central China's Hunan Province, Nov. 27, 2013. As the temperature went down, numerous migrant birds came to Dongting Lake to spend the winter. (Xinhua/Cheng Tingting) 
Birds fly above the wetland of the Dongting Lake in Yueyang, central China's Hunan Province, Nov. 27, 2013. As the temperature went down, numerous migrant birds came to Dongting Lake to spend the winter. (Xinhua/Cheng Tingting) 
Birds fly above the wetland of the Dongting Lake in Yueyang, central China's Hunan Province, Nov. 27, 2013. As the temperature went down, numerous migrant birds came to Dongting Lake to spend the winter. (Xinhua/Cheng Tingting) 
Birds rest on the wetland of the Dongting Lake in Yueyang, central China's Hunan Province, Nov. 27, 2013. As the temperature went down, numerous migrant birds came to Dongting Lake to spend the winter. (Xinhua/Li Ga) 
Birds rest on the wetland of the Dongting Lake in Yueyang, central China's Hunan Province, Nov. 27, 2013. As the temperature went down, numerous migrant birds came to Dongting Lake to spend the winter. (Xinhua/Li Ga) 
Birds fly above the wetland of the Dongting Lake in Yueyang, central China's Hunan Province, Nov. 27, 2013. As the temperature went down, numerous migrant birds came to Dongting Lake to spend the winter. (Xinhua/Cheng Tingting) 
Birds fly above the wetland of the Dongting Lake in Yueyang, central China's Hunan Province, Nov. 27, 2013. As the temperature went down, numerous migrant birds came to Dongting Lake to spend the winter. (Xinhua/Cheng Tingting) 
Birds fly above the wetland of the Dongting Lake in Yueyang, central China's Hunan Province, Nov. 27, 2013. As the temperature went down, numerous migrant birds came to Dongting Lake to spend the winter. (Xinhua/Cheng Tingting) 
Birds fly above the wetland of the Dongting Lake in Yueyang, central China's Hunan Province, Nov. 27, 2013. As the temperature went down, numerous migrant birds came to Dongting Lake to spend the winter. (Xinhua/Cheng Tingting) 
Birds fly above the wetland of the Dongting Lake in Yueyang, central China's Hunan Province, Nov. 27, 2013. As the temperature went down, numerous migrant birds came to Dongting Lake to spend the winter. (Xinhua/Cheng Tingting) 
Birds fly above the wetland of the Dongting Lake in Yueyang, central China's Hunan Province, Nov. 27, 2013. As the temperature went down, numerous migrant birds came to Dongting Lake to spend the winter. (Xinhua/Cheng Tingting) 
Birds fly above the wetland of the Dongting Lake in Yueyang, central China's Hunan Province, Nov. 27, 2013. As the temperature went down, numerous migrant birds came to Dongting Lake to spend the winter. (Xinhua/Cheng Tingting) 
Birds fly above the wetland of the Dongting Lake in Yueyang, central China's Hunan Province, Nov. 27, 2013. As the temperature went down, numerous migrant birds came to Dongting Lake to spend the winter. (Xinhua/Cheng Tingting) |
