Swans romp in the shallow water of Swan Lake in Rongcheng city, Shandong province. [Photo by Wang Min/sdphoto.com.cn]

Every November thousands of swans bring their warmth and beauty to Rongcheng, East China's Shandong province. [Photo by Zhang Jianmin/sdphoto.com.cn]

Swans take to the air at sunset in Rongcheng, East China's Shandong province. [Photo by Wang Zuliang/sdphoto.com.cn]