People enjoy their leisure time in St James's Park in London, Britain, April 14, 2026. (Xinhua/Li Ying)

Leaves are seen at Parliament Square in London, Britain, April 14, 2026. (Xinhua/Li Ying)

Birds are seen in St James's Park in London, Britain, April 14, 2026. (Xinhua/Li Ying)

A bird swims in St James's Park in London, Britain, April 14, 2026. (Xinhua/Li Ying)

A swan swims in St James's Park in London, Britain, April 14, 2026. (Xinhua/Li Ying)

A sculpture is seen near Big Ben at Parliament Square in London, Britain, April 14, 2026. (Xinhua/Li Ying)

A man reads in St James's Park in London, Britain, April 14, 2026. (Xinhua/Li Ying)

A swan swims in St James's Park in London, Britain, April 14, 2026. (Xinhua/Li Ying)

People enjoy their leisure time in St James's Park in London, Britain, April 14, 2026. (Xinhua/Li Ying)

People walk in St James's Park in London, Britain, April 14, 2026. (Xinhua/Li Ying)

Flowers are seen near Big Ben in London, Britain, April 14, 2026. (Xinhua/Li Ying)

Leaves and flowers are seen near Big Ben at Parliament Square in London, Britain, April 14, 2026. (Xinhua/Li Ying)