![](http://www.ecns.cn/hd/2021/09/01/c8e74dbe114f44b28e512b91ec26afa2.jpg)
This undated photo shows a spectacular sea of clouds appear in the Yitulihe National Wetland Park in Inner Mongolia. The forest atmosphere and the sea of clouds turned the park into a fairyland. (Photo/Lyu Haojun)
![](http://www.ecns.cn/hd/2021/09/01/fc8a37d747094273880e60c38022e758.jpg)
This undated photo shows a spectacular sea of clouds appear in the Yitulihe National Wetland Park in Inner Mongolia. The forest atmosphere and the sea of clouds turned the park into a fairyland. (Photo/Lyu Haojun)
![](http://www.ecns.cn/hd/2021/09/01/1ccaa7c3640b4de5916b803e3ef37e0f.jpg)
This undated photo shows a spectacular sea of clouds appear in the Yitulihe National Wetland Park in Inner Mongolia. The forest atmosphere and the sea of clouds turned the park into a fairyland. (Photo/Lyu Haojun)
![](http://www.ecns.cn/hd/2021/09/01/8907220f87374bb6b4fa4a8cea94c850.jpg)
This undated photo shows a spectacular sea of clouds appear in the Yitulihe National Wetland Park in Inner Mongolia. The forest atmosphere and the sea of clouds turned the park into a fairyland. (Photo/Lyu Haojun)
![](http://www.ecns.cn/hd/2021/09/01/48cd1cb4f2f748b191667cac5505d8a4.jpg)
This undated photo shows a spectacular sea of clouds appear in the Yitulihe National Wetland Park in Inner Mongolia. The forest atmosphere and the sea of clouds turned the park into a fairyland. (Photo/Lyu Haojun)