Swans play on the snow-covered Swan Lake in Rongcheng, east China's Shandong Province, Dec. 5, 2017.
(Xinhua/Wang Fudong)
Swans rest on the Yinghua Lake in Rongcheng, east China's Shandong Province, Dec. 5, 2017.
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Swans play on the snow-covered Swan Lake in Rongcheng, east China's Shandong Province, Dec. 5, 2017.
Swans rest on the Yinghua Lake in Rongcheng, east China's Shandong Province, Dec. 5, 2017.
Swans fly over the Swan Lake in Rongcheng, east China's Shandong Province, Dec. 5, 2017.
Swans rest on the snow-covered Swan Lake in Rongcheng, east China's Shandong Province, Dec. 5, 2017.
Swans are seen on the snow-covered Swan Lake in Rongcheng, east China's Shandong Province, Dec. 5, 2017.
(Xinhua/Lin Haizhen)
Swans fly over the Swan Lake in Rongcheng, east China's Shandong Province, Dec. 5, 2017.
(Xinhua/Wang Fudong)
Swans rest on the snow-covered Swan Lake in Rongcheng, east China's Shandong Province, Dec. 5, 2017.
(Xinhua/Wang Fudong)
Swans are seen on the snow-covered Swan Lake in Rongcheng, east China's Shandong Province, Dec. 5, 2017.
(Xinhua/Wang Fudong)