![](http://www.ecns.cn/hd/2021/08/25/2389698c217542779cf65be413eae7aa.jpg)
Aerial photo shows roaring Hukou Waterfall on the Yellow River in Ji County, Shanxi Province. The water volume in the Jin-Shan (Shanxi-Shaanxi) valley has risen since the upstream areas experienced more rainy days. (Photo by China News Service/ Lu Guiming)
![](http://www.ecns.cn/hd/2021/08/25/716f18afc26f4be3abff93a973914217.jpg)
Aerial photo shows roaring Hukou Waterfall on the Yellow River in Ji County, Shanxi Province. The water volume in the Jin-Shan (Shanxi-Shaanxi) valley has risen since the upstream areas experienced more rainy days. (Photo by China News Service/ Lu Guiming)
![](http://www.ecns.cn/hd/2021/08/25/38f2574d3da24141ab30aa4740d4ce07.jpg)
Aerial photo shows roaring Hukou Waterfall on the Yellow River in Ji County, Shanxi Province. The water volume in the Jin-Shan (Shanxi-Shaanxi) valley has risen since the upstream areas experienced more rainy days. (Photo by China News Service/ Lu Guiming)