A bird forages at Nanhui Dongtan wetland in Pudong, east China's Shanghai, March 31, 2024. (Xinhua/Wang Xiang)
A flock of birds fly above Nanhui Dongtan wetland in Pudong, east China's Shanghai, March 31, 2024. (Xinhua/Wang Xiang)
A flock of birds fly above Nanhui Dongtan wetland in Pudong, east China's Shanghai, March 31, 2024. (Xinhua/Wang Xiang)
Birds forage at Nanhui Dongtan wetland in Pudong, east China's Shanghai, March 31, 2024. (Xinhua/Wang Xiang)
A bird forages at Nanhui Dongtan wetland in Pudong, east China's Shanghai, March 31, 2024. (Xinhua/Wang Xiang)
