Migratory birds seen at Longwangtan Park in Lhasa, China’s Tibet

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Migratory birds are seen at the Longwangtan Park in Lhasa, southwest China`s Tibet Autonomous Region, Nov. 21, 2019. Many migratory birds, such as bar-headed geese and black-headed gulls, arrived in areas along the Lhasa river valley and the Yarlung Zangbo River to escape the cold. (Xinhua/Purbu Zhaxi)

Migratory birds seen at Longwangtan Park in Lhasa, China’s Tibet

2/9
Migratory birds are seen at the Longwangtan Park in Lhasa, southwest China`s Tibet Autonomous Region, Nov. 21, 2019. Many migratory birds, such as bar-headed geese and black-headed gulls, arrived in areas along the Lhasa river valley and the Yarlung Zangbo River to escape the cold. (Xinhua/Purbu Zhaxi)

Migratory birds seen at Longwangtan Park in Lhasa, China’s Tibet

3/9
Migratory birds are seen at the Longwangtan Park in Lhasa, southwest China`s Tibet Autonomous Region, Nov. 21, 2019. Many migratory birds, such as bar-headed geese and black-headed gulls, arrived in areas along the Lhasa river valley and the Yarlung Zangbo River to escape the cold. (Xinhua/Purbu Zhaxi)

Migratory birds seen at Longwangtan Park in Lhasa, China’s Tibet

4/9
Migratory birds are seen at the Longwangtan Park in Lhasa, southwest China`s Tibet Autonomous Region, Nov. 21, 2019. Many migratory birds, such as bar-headed geese and black-headed gulls, arrived in areas along the Lhasa river valley and the Yarlung Zangbo River to escape the cold. (Xinhua/Purbu Zhaxi)

Migratory birds seen at Longwangtan Park in Lhasa, China’s Tibet

5/9
Migratory birds are seen at the Longwangtan Park in Lhasa, southwest China`s Tibet Autonomous Region, Nov. 21, 2019. Many migratory birds, such as bar-headed geese and black-headed gulls, arrived in areas along the Lhasa river valley and the Yarlung Zangbo River to escape the cold. (Xinhua/Purbu Zhaxi)

Migratory birds seen at Longwangtan Park in Lhasa, China’s Tibet

6/9
Migratory birds are seen at the Longwangtan Park in Lhasa, southwest China`s Tibet Autonomous Region, Nov. 21, 2019. Many migratory birds, such as bar-headed geese and black-headed gulls, arrived in areas along the Lhasa river valley and the Yarlung Zangbo River to escape the cold. (Xinhua/Purbu Zhaxi)

Migratory birds seen at Longwangtan Park in Lhasa, China’s Tibet

7/9
Migratory birds are seen at the Longwangtan Park in Lhasa, southwest China`s Tibet Autonomous Region, Nov. 21, 2019. Many migratory birds, such as bar-headed geese and black-headed gulls, arrived in areas along the Lhasa river valley and the Yarlung Zangbo River to escape the cold. (Xinhua/Purbu Zhaxi)

Migratory birds seen at Longwangtan Park in Lhasa, China’s Tibet

8/9
Migratory birds are seen at the Longwangtan Park in Lhasa, southwest China`s Tibet Autonomous Region, Nov. 21, 2019. Many migratory birds, such as bar-headed geese and black-headed gulls, arrived in areas along the Lhasa river valley and the Yarlung Zangbo River to escape the cold. (Xinhua/Purbu Zhaxi)

Migratory birds seen at Longwangtan Park in Lhasa, China’s Tibet

9/9
Migratory birds are seen at the Longwangtan Park in Lhasa, southwest China`s Tibet Autonomous Region, Nov. 21, 2019. Many migratory birds, such as bar-headed geese and black-headed gulls, arrived in areas along the Lhasa river valley and the Yarlung Zangbo River to escape the cold. (Xinhua/Purbu Zhaxi)