![Tourists view Hukou Waterfall of Yellow River in NW China(1/3)](http://www.ecns.cn/hd/2018/05/19/41fa60707a244958928b72cca8700c8a.jpg)
Tourists view Hukou Waterfall of the Yellow River in Yichuan County, northwest China's Shaanxi provinces, May 18, 2018. (Xinhua/Zhao Jie)
Tourists view Hukou Waterfall of the Yellow River in Yichuan County, northwest China's Shaanxi provinces, May 18, 2018. (Xinhua/Zhao Jie)