Poplar woods in Xiongan New Area, north China's Hebei Province. (Photo/Su Chundan)

Colorful leaves in Xiongan Citizen Service Center. (Photo/Yang Yawen)

(Photo/Su Chundan)

(Photo/Dou Wei)

Fallen autumn leaves (Photo/Duo Wei)

(Photo/Dou Wei)

(Photo/Dou Wei)

(Photo/Dou Wei)

Baiyangdian Lake in late autumn (Photo/Su Chundan)

(Photo/Dou Wei)

Baiyangdian Lake in late autumn (Photo/Su Chundan)

(Photo/Dou Wei)

(Photo/Dou Wei)

(Photo/Su Chundan)

(Photo/Su Chundan)

(Photo/Dou Wei)