Two swans are seen on the Daling River in Chaoyang City, northeast China's Liaoning Province, Feb. 24, 2026. Flocks of swans have migrated here since the beginning of winter, attracting many tourists. (Xinhua/Hu Jingwen)

Swans rest on the Daling River in Chaoyang City, northeast China's Liaoning Province, Feb. 25, 2026. Flocks of swans have migrated here since the beginning of winter, attracting many tourists. (Xinhua/Hu Jingwen)

Swans rest on the Daling River in Chaoyang City, northeast China's Liaoning Province, Feb. 24, 2026. Flocks of swans have migrated here since the beginning of winter, attracting many tourists. (Xinhua/Hu Jingwen)

Swans fly by the Daling River in Chaoyang City, northeast China's Liaoning Province, Feb. 24, 2026. Flocks of swans have migrated here since the beginning of winter, attracting many tourists. (Xinhua/Hu Jingwen)

A man feeds swans by the Daling River in Chaoyang City, northeast China's Liaoning Province, Feb. 25, 2026. Flocks of swans have migrated here since the beginning of winter, attracting many tourists. (Xinhua/Hu Jingwen)

A swan is seen on the Daling River in Chaoyang City, northeast China's Liaoning Province, Feb. 25, 2026. Flocks of swans have migrated here since the beginning of winter, attracting many tourists. (Xinhua/Hu Jingwen)

Swans are seen by the Daling River in Chaoyang City, northeast China's Liaoning Province, Feb. 25, 2026. Flocks of swans have migrated here since the beginning of winter, attracting many tourists. (Xinhua/Hu Jingwen)

A tourist takes pictures of swans by the Daling River in Chaoyang City, northeast China's Liaoning Province, Feb. 25, 2026. Flocks of swans have migrated here since the beginning of winter, attracting many tourists. (Xinhua/Hu Jingwen)

Swans are seen by the Daling River in Chaoyang City, northeast China's Liaoning Province, Feb. 25, 2026. Flocks of swans have migrated here since the beginning of winter, attracting many tourists. (Xinhua/Hu Jingwen)

(Web editor: Zhang Kaiwei, Liang Jun)