Whooper swans are pictured at a wetland in Sanmenxia, central China's Henan Province, Nov. 14, 2024. A large number of migratory swans flied to the Yellow River wetland in Sanmenxia to spend winter. (Xinhua/Hao Yuan)
Whooper swans are pictured at a wetland in Sanmenxia, central China's Henan Province, Nov. 14, 2024. A large number of migratory swans flied to the Yellow River wetland in Sanmenxia to spend winter. (Xinhua/Hao Yuan)
Whooper swans are pictured at a wetland in Sanmenxia, central China's Henan Province, Nov. 14, 2024. A large number of migratory swans flied to the Yellow River wetland in Sanmenxia to spend winter. (Xinhua/Hao Yuan)
Whooper swans are pictured at a wetland in Sanmenxia, central China's Henan Province, Nov. 14, 2024. A large number of migratory swans flied to the Yellow River wetland in Sanmenxia to spend winter. (Xinhua/Hao Yuan)
Whooper swans are pictured at a wetland in Sanmenxia, central China's Henan Province, Nov. 14, 2024. A large number of migratory swans flied to the Yellow River wetland in Sanmenxia to spend winter. (Xinhua/Hao Yuan)
Black swans are pictured at a wetland in Sanmenxia, central China's Henan Province, Nov. 14, 2024. A large number of migratory swans flied to the Yellow River wetland in Sanmenxia to spend winter. (Xinhua/Hao Yuan)
Whooper swans are pictured at a wetland in Sanmenxia, central China's Henan Province, Nov. 14, 2024. A large number of migratory swans flied to the Yellow River wetland in Sanmenxia to spend winter. (Xinhua/Zhu Xiang)
Whooper swans are pictured at a wetland in Sanmenxia, central China's Henan Province, Nov. 14, 2024. A large number of migratory swans flied to the Yellow River wetland in Sanmenxia to spend winter. (Xinhua/Gao Songling)
Whooper swans are pictured at a wetland in Sanmenxia, central China's Henan Province, Nov. 14, 2024. A large number of migratory swans flied to the Yellow River wetland in Sanmenxia to spend winter. (Xinhua/Zhu Xiang)
Whooper swans are pictured at a wetland in Sanmenxia, central China's Henan Province, Nov. 14, 2024. A large number of migratory swans flied to the Yellow River wetland in Sanmenxia to spend winter. (Xinhua/Gao Songling)
Whooper swans are pictured at a wetland in Sanmenxia, central China's Henan Province, Nov. 14, 2024. A large number of migratory swans flied to the Yellow River wetland in Sanmenxia to spend winter. (Xinhua/Zhao Peng)
Whooper swans are pictured at a wetland in Sanmenxia, central China's Henan Province, Nov. 14, 2024. A large number of migratory swans flied to the Yellow River wetland in Sanmenxia to spend winter. (Xinhua/Zhu Xiang)
