This aerial photo taken on Nov 8, 2022 shows the scenery at the Jiangsu Yancheng Wetland and Rare Birds National Nature Reserve in Yancheng, east China's Jiangsu Province. Yancheng City, having a coastline of 582 kilometers and 769,700 hectares of wetlands, is a vital wintering ground for birds. Photo:Xinhua
This aerial photo taken on Nov 9, 2022 shows the sunrise at a wetland in Yancheng, east China's Jiangsu Province. Yancheng City, having a coastline of 582 kilometers and 769,700 hectares of wetlands, is a vital wintering ground for birds. Photo:Xinhua
Cormorants are seen at the Jiangsu Yancheng Wetland and Rare Birds National Nature Reserve in Yancheng, east China's Jiangsu Province, Nov 7, 2022. Yancheng City, having a coastline of 582 kilometers and 769,700 hectares of wetlands, is a vital wintering ground for birds. Photo:Xinhua
This aerial photo taken on Nov 9, 2022 shows the sunrise at a wetland in Yancheng, east China's Jiangsu Province. Yancheng City, having a coastline of 582 kilometers and 769,700 hectares of wetlands, is a vital wintering ground for birds. Photo:Xinhua
Red-crowned cranes fly at the Jiangsu Yancheng Wetland and Rare Birds National Nature Reserve in Yancheng, east China's Jiangsu Province, Nov 8, 2022. Yancheng City, having a coastline of 582 kilometers and 769,700 hectares of wetlands, is a vital wintering ground for birds. Photo:Xinhua
This photo taken on Nov 8, 2022 shows common cranes flying at the Jiangsu Yancheng Wetland and Rare Birds National Nature Reserve in Yancheng, east China's Jiangsu Province. Yancheng City, having a coastline of 582 kilometers and 769,700 hectares of wetlands, is a vital wintering ground for birds. Photo:Xinhua
Red-crowned cranes are seen at the Jiangsu Yancheng Wetland and Rare Birds National Nature Reserve in Yancheng, east China's Jiangsu Province, Nov 8, 2022. Yancheng City, having a coastline of 582 kilometers and 769,700 hectares of wetlands, is a vital wintering ground for birds. Photo:Xinhua
This photo taken on Nov 8, 2022 shows sunrise at the Jiangsu Yancheng Wetland and Rare Birds National Nature Reserve in Yancheng, east China's Jiangsu Province. Yancheng City, having a coastline of 582 kilometers and 769,700 hectares of wetlands, is a vital wintering ground for birds. Photo:Xinhua