Scenery of Lhalu wetland, "the Lung of Lhasa"

Bar-headed geese are seen 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)