Egrets rest at a wetland park in Taiyuan, north China's Shanxi Province, Jan. 22, 2026. An increasing number of migratory birds have chosen to rest and winter at the Fenhe River basin thanks to continuous improvements in the ecological environment in recent years. (Xinhua/Yang Chenguang)

An egret forages at a wetland park in Taiyuan, north China's Shanxi Province, Jan. 22, 2026. An increasing number of migratory birds have chosen to rest and winter at the Fenhe River basin thanks to continuous improvements in the ecological environment in recent years. (Xinhua/Yang Chenguang)

Egrets rest at a wetland park in Taiyuan, north China's Shanxi Province, Jan. 22, 2026. An increasing number of migratory birds have chosen to rest and winter at the Fenhe River basin thanks to continuous improvements in the ecological environment in recent years. (Xinhua/Yang Chenguang)

An egret forages at a wetland park in Taiyuan, north China's Shanxi Province, Jan. 22, 2026. An increasing number of migratory birds have chosen to rest and winter at the Fenhe River basin thanks to continuous improvements in the ecological environment in recent years. (Xinhua/Yang Chenguang)

An egret forages at a wetland park in Taiyuan, north China's Shanxi Province, Jan. 22, 2026. An increasing number of migratory birds have chosen to rest and winter at the Fenhe River basin thanks to continuous improvements in the ecological environment in recent years. (Xinhua/Yang Chenguang)

An egret forages at a wetland park in Taiyuan, north China's Shanxi Province, Jan. 22, 2026. An increasing number of migratory birds have chosen to rest and winter at the Fenhe River basin thanks to continuous improvements in the ecological environment in recent years. (Xinhua/Yang Chenguang)

A woman takes photos of egrets at a wetland park in Taiyuan, north China's Shanxi Province, Jan. 22, 2026. An increasing number of migratory birds have chosen to rest and winter at the Fenhe River basin thanks to continuous improvements in the ecological environment in recent years. (Xinhua/Yang Chenguang)