Migratory birds refuel on Songhua River(1/3)

Migratory birds fly over the Songhua River in Harbin City, Northeast China’s Heilongjiang Province, Oct. 7, 2019. The Harbin section of the river is an important refuelling stop for birds during their migration to southern China. (Photo/IC)

Migratory birds fly over the Songhua River in Harbin City, Northeast China’s Heilongjiang Province, Oct. 7, 2019. The Harbin section of the river is an important refuelling stop for birds during their migration to southern China. (Photo/IC)

Migratory birds fly over the Songhua River in Harbin City, Northeast China’s Heilongjiang Province, Oct. 7, 2019. The Harbin section of the river is an important refuelling stop for birds during their migration to southern China. (Photo/IC)