![](http://www.ecns.cn/hd/2022/08/18/9ba830c0d05241888f8c53d8bacf516a.jpg)
Aerial view of the rosy salt lake in Yuncheng, north China's Shanxi Province, Aug. 18, 2022. (Photo/ICphoto)
Pink lake is a natural phenomenon due to the presence of alga that produces carotenoids, a type of halophile green micro-alga especially found in sea salt fields.
![](http://www.ecns.cn/hd/2022/08/18/ae119ab80c2a4a419e3e5d7ed8caa8e8.jpg)
Aerial view of the rosy salt lake in Yuncheng, north China's Shanxi Province, Aug. 18, 2022. (Photo/ICphoto)
![](http://www.ecns.cn/hd/2022/08/18/0018e30cda9d48d8ab3746c32957dc08.jpg)
Aerial view of the rosy salt lake in Yuncheng, north China's Shanxi Province, Aug. 18, 2022. (Photo/ICphoto)
![](http://www.ecns.cn/hd/2022/08/18/bae7c48dbe244942acc8a545e659b8da.jpg)
Aerial view of the rosy salt lake in Yuncheng, north China's Shanxi Province, Aug. 18, 2022. (Photo/ICphoto)