Migratory birds seen at coastal wetlands in Tangshan, N China

This aerial photo taken on Nov. 25, 2023 shows a flock of oriental white storks foraging at a wetland in Fengnan District of Tangshan, north China's Hebei Province. Coastal wetlands in the city of Tangshan are important habitats for migratory birds. (Xinhua/Yang Shiyao)

This aerial photo taken on Nov. 25, 2023 shows a flock of oriental white storks foraging at a wetland in Tangshan, north China's Hebei Province. Coastal wetlands in the city of Tangshan are important habitats for migratory birds. (Xinhua/Yang Shiyao)

This aerial photo taken on Nov. 25, 2023 shows a flock of oriental white storks foraging at a wetland in Tangshan, north China's Hebei Province. Coastal wetlands in the city of Tangshan are important habitats for migratory birds. (Xinhua/Yang Shiyao)

This aerial photo taken on Nov. 25, 2023 shows a flock of swans at a wetland in Fengnan District of Tangshan, north China's Hebei Province. Coastal wetlands in the city of Tangshan are important habitats for migratory birds. (Xinhua/Yang Shiyao)