Tibet becomes ideal habitat for black-necked cranes in winter

Black-necked cranes fly over the natural reserve for black-necked crane in Lhunzhub County, Lhasa, southwest China's Tibet Autonomous Region, Jan. 1, 2019. Because of fine environment and abundant food, Lhunzhub County and Dagze District have become ideal habitats for black-necked cranes in winter. (Xinhua/Zhang Rufeng)