![](http://www.ecns.cn/hd/2021/07/20/14759e180eec4f1694213b41ddd0895b.jpg)
Advection fog turns Dongchu Island, east China's Shandong Province, into a fairyland, July 19, 2021. The Dongchu Island is a typical fishing village in Shandong Province. (Photo by China News Service/ Yang Zhili)
The advection fog occurs when warm and humid air move over to colder grounds or the water's surface.
![](http://www.ecns.cn/hd/2021/07/20/3db83e332d0241388d7c51078307924b.jpg)
Advection fog turns Dongchu Island, east China's Shandong Province, into a fairyland, July 19, 2021. The Dongchu Island is a typical fishing village in Shandong Province. (Photo by China News Service/ Yang Zhili)
The advection fog occurs when warm and humid air move over to colder grounds or the water's surface.
![](http://www.ecns.cn/hd/2021/07/20/056b5c6f131c48d79f78be92a9124fa4.jpg)
Advection fog turns Dongchu Island, east China's Shandong Province, into a fairyland, July 19, 2021. The Dongchu Island is a typical fishing village in Shandong Province. (Photo by China News Service/ Yang Zhili)
The advection fog occurs when warm and humid air move over to colder grounds or the water's surface.
![](http://www.ecns.cn/hd/2021/07/20/55542557f42f4fce9092d0f83a2e2b68.jpg)
Advection fog turns Dongchu Island, east China's Shandong Province, into a fairyland, July 19, 2021. The Dongchu Island is a typical fishing village in Shandong Province. (Photo by China News Service/ Yang Zhili)
The advection fog occurs when warm and humid air move over to colder grounds or the water's surface.
![](http://www.ecns.cn/hd/2021/07/20/b37aec83c0884c2caf6e873091aa2999.jpg)
Advection fog turns Dongchu Island, east China's Shandong Province, into a fairyland, July 19, 2021. The Dongchu Island is a typical fishing village in Shandong Province. (Photo by China News Service/ Yang Zhili)
The advection fog occurs when warm and humid air move over to colder grounds or the water's surface.