Black-necked cranes seen in river valleys of Lhasa, China's Tibet

Black-necked cranes fly over a reservoir in Lhunzhub County, Lhasa, southwest China's Tibet Autonomous Region, Jan. 11, 2020. Black-necked cranes are often seen foraging and resting in the river valleys of Lhasa in winter. (Photo by Li Weiming/Xinhua)