As autumn deepens, migratory birds are flocking to Qilihai Wetland in Tianjin, marking the peak of the southward migration season. [Photo provided to chinadaily.com.cn]

As autumn deepens, migratory birds are flocking to Qilihai Wetland in Tianjin, marking the peak of the southward migration season. The wetland, a vital stopover site for waterbirds, offers abundant food and resting spaces amid sprawling reed marshes.