![As winter approaches, Swan Lake in Rongcheng, East China\'s Shandong Province, attracts flocks of swans to spend the winter. (Photo/Asianewsphoto)](http://www.ecns.cn/hd/2018/11/06/7ab4d1849e154e788d46b3258284c841.jpg)
As winter approaches, Swan Lake in Rongcheng, East China's Shandong Province, attracts flocks of swans to spend the winter. (Photo/Asianewsphoto)
![As winter approaches, Swan Lake in Rongcheng, East China\'s Shandong Province, attracts flocks of swans to spend the winter. (Photo/Asianewsphoto)](http://www.ecns.cn/hd/2018/11/06/b7535225083545998bb7770aed24254c.jpg)
As winter approaches, Swan Lake in Rongcheng, East China's Shandong Province, attracts flocks of swans to spend the winter. (Photo/Asianewsphoto)
![As winter approaches, Swan Lake in Rongcheng, East China\'s Shandong Province, attracts flocks of swans to spend the winter. (Photo/Asianewsphoto)](http://www.ecns.cn/hd/2018/11/06/e88f693819ce4a93b107ac7348f966cd.jpg)
As winter approaches, Swan Lake in Rongcheng, East China's Shandong Province, attracts flocks of swans to spend the winter. (Photo/Asianewsphoto)
![As winter approaches, Swan Lake in Rongcheng, East China\'s Shandong Province, attracts flocks of swans to spend the winter. (Photo/Asianewsphoto)](http://www.ecns.cn/hd/2018/11/06/24349aff794740b180ace0f06ae215ec.jpg)
As winter approaches, Swan Lake in Rongcheng, East China's Shandong Province, attracts flocks of swans to spend the winter. (Photo/Asianewsphoto)
![As winter approaches, Swan Lake in Rongcheng, East China\'s Shandong Province, attracts flocks of swans to spend the winter. (Photo/Asianewsphoto)](http://www.ecns.cn/hd/2018/11/06/c5fdc7fbf5934b809bcd610e45e99596.jpg)
As winter approaches, Swan Lake in Rongcheng, East China's Shandong Province, attracts flocks of swans to spend the winter. (Photo/Asianewsphoto)
![As winter approaches, Swan Lake in Rongcheng, East China\'s Shandong Province, attracts flocks of swans to spend the winter. (Photo/Asianewsphoto)](http://www.ecns.cn/hd/2018/11/06/585e0048829b4e4ab37edf515b4c0ab5.jpg)
As winter approaches, Swan Lake in Rongcheng, East China's Shandong Province, attracts flocks of swans to spend the winter. (Photo/Asianewsphoto)
![As winter approaches, Swan Lake in Rongcheng, East China\'s Shandong Province, attracts flocks of swans to spend the winter. (Photo/Asianewsphoto)](http://www.ecns.cn/hd/2018/11/06/bab9cb2df220462db0ecca657e07d35e.jpg)
As winter approaches, Swan Lake in Rongcheng, East China's Shandong Province, attracts flocks of swans to spend the winter. (Photo/Asianewsphoto)
![As winter approaches, Swan Lake in Rongcheng, East China\'s Shandong Province, attracts flocks of swans to spend the winter. (Photo/Asianewsphoto)](http://www.ecns.cn/hd/2018/11/06/da0fea45a84b4a908b85668bd9a57165.jpg)
As winter approaches, Swan Lake in Rongcheng, East China's Shandong Province, attracts flocks of swans to spend the winter. (Photo/Asianewsphoto)