Over 100 thousand migrant birds have chosen to rest at the Boluo Lake National Natural Reserve in Changchun, Jilin province this year.

The city's efforts to improve the water environment have made the scenic area an ideal place for migrant birds to rest during their annual migration.

Migrant birds fly over the Boluo Lake National Natural Reserve in Changchun, Jilin province. [Photo provided to chinadaily.com.cn]