View of London Wetland Centre

This photo taken on Nov. 9, 2022 shows Egyptian geese at London Wetland Centre in London, Britain. (Xinhua/Li Ying)

This photo taken on Nov. 9, 2022 shows a black-headed gull at London Wetland Centre in London, Britain. (Xinhua/Li Ying)

This photo taken on Nov. 9, 2022 shows an otter at London Wetland Centre in London, Britain. (Xinhua/Li Ying)

This photo taken on Nov. 9, 2022 shows a view of London Wetland Centre in London, Britain. (Xinhua/Li Ying)

This photo taken on Nov. 9, 2022 shows a view of London Wetland Centre in London, Britain. (Xinhua/Li Ying)

This photo taken on Nov. 9, 2022 shows an otter at London Wetland Centre in London, Britain. (Xinhua/Li Ying)

This photo taken on Nov. 9, 2022 shows a view of London Wetland Centre in London, Britain. (Xinhua/Li Ying)

This photo taken on Nov. 9, 2022 shows a grey heron and otter at London Wetland Centre in London, Britain. (Xinhua/Li Ying)

This photo taken on Nov. 9, 2022 shows a view of London Wetland Centre in London, Britain. (Xinhua/Li Ying)

This photo taken on Nov. 9, 2022 shows two white-faced whistling ducks at London Wetland Centre in London, Britain. (Xinhua/Li Ying)