
Great cormorants fly above the Bosten Lake in Bohu County, northwest China's Xinjiang Uygur Autonomous Region, on March 17, 2023. As the temperature gradually rises, a large number of migratory birds have returned to the Bosten Lake. (Xinhua/Ding Lei)

This aerial photo taken on March 18, 2023 shows a view of the Bosten Lake in Bohu County, northwest China's Xinjiang Uygur Autonomous Region. As the temperature gradually rises, a large number of migratory birds have returned to the Bosten Lake. (Xinhua/Ding Lei)

A black-headed gull flies above the Bosten Lake in Bohu County, northwest China's Xinjiang Uygur Autonomous Region, on March 18, 2023. As the temperature gradually rises, a large number of migratory birds have returned to the Bosten Lake. (Xinhua/Ding Lei)

Egrets are seen in the Bosten Lake in Bohu County, northwest China's Xinjiang Uygur Autonomous Region, on March 18, 2023. As the temperature gradually rises, a large number of migratory birds have returned to the Bosten Lake. (Xinhua/Ding Lei)