
An aerial drone photo taken on Jan 31, 2024 shows a view of frozen tidal creeks in the wetland of Liaohe River estuary in Panjin, northeast China's Liaoning Province. Photo:Xinhua

An aerial drone photo taken on Jan 31, 2024 shows a view of frozen tidal creeks in the wetland of Liaohe River estuary in Panjin, northeast China's Liaoning Province. Photo:Xinhua

An aerial drone photo taken on Jan 31, 2024 shows a view of frozen tidal creeks in the wetland of Liaohe River estuary in Panjin, northeast China's Liaoning Province. Photo:Xinhua

An aerial drone photo taken on Jan 31, 2024 shows a view of frozen tidal creeks in the wetland of Liaohe River estuary in Panjin, northeast China's Liaoning Province. Photo:Xinhua

An aerial drone photo taken on Jan 31, 2024 shows a view of frozen tidal creeks in the wetland of Liaohe River estuary in Panjin, northeast China's Liaoning Province. Photo:Xinhua

An aerial drone photo taken on Jan 31, 2024 shows a view of frozen tidal creeks in the wetland of Liaohe River estuary in Panjin, northeast China's Liaoning Province. Photo:Xinhua