Scenery of Lhalu wetland, "the Lung of Lhasa"

Wild ducks fly in the sky at Lhalu wetland in Lhasa, southwest China's Tibet Autonomous Region, Feb. 24, 2020. Lhalu Wetland National Nature Reserve, known as "the Lung of Lhasa", gets rejuvenated as temperature rises. (Xinhua/Zhang Rufeng)