"Swan Lake" at the Bayan Bulag Nature Reserve

A swan flies in the Bayan Bulag Nature Reserve in Hejing County, northwest China's Xinjiang Uygur Autonomous Region, Sept. 2, 2004. The nature reserve was listed as the first swan preserve in China in 1980, and was also the largest of its kind in the country.

A group of migratory birds fly in the Bayan Bulag Nature Reserve in Hejing County, northwest China's Xinjiang Uygur Autonomous Region, Sept. 2, 2004. The nature reserve was listed as the first swan preserve in China in 1980, and was also the largest of its kind in the country.

Photo taken on Sept. 2, 2004 shows a swan in the Bayan Bulag Nature Reserve in Hejing County, northwest China's Xinjiang Uygur Autonomous Region. The nature reserve was listed as the first swan preserve in China in 1980, and was also the largest of its kind in the country.