![](http://www.ecns.cn/hd/2022/01/18/27e95c35db8a4d21850eb975365cd0f0.jpg)
Whooper swans are pictured at a reserve in Rongcheng, east China's Shandong Province, Jan. 17, 2022. (Xinhua/Xu Suhui)
![](http://www.ecns.cn/hd/2022/01/18/90d19e1f0c2c43ffa1a64bc64df7b1d9.jpg)
Whooper swans are pictured at a reserve in Rongcheng, east China's Shandong Province, Jan. 17, 2022. (Xinhua/Xu Suhui)
![](http://www.ecns.cn/hd/2022/01/18/c1ead79a386e432087320d87b8793e3d.jpg)
Photography enthusiasts take pictures of whooper swans at a reserve in Rongcheng, east China's Shandong Province, Jan. 17, 2022. (Xinhua/Xu Suhui)