Tibet becomes ideal habitat for black-necked cranes in winter

Black-necked cranes are seen at the foot of a snow mountain in Dagze District, 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/Sun Fei)