Over the past few days, swans have been singing, dancing, flying and chasing by the Swan Lake in Chengshan Town, Rongcheng, Shandong, adding agility to the Swan Lake in early winter.

With the arrival of the cold wave, nearly 3,000 whooper swans moved back to Rongcheng, Shandong for winter.

(Produced by Li Xinjun, Li Jiali)

Editor in charge: [Liu Xian]