
Tourists visit Hukou Waterfall of the Yellow River, which is located on the border area between north China's Shanxi and northwest China's Shaanxi provinces, July 11, 2017. (Xinhua/Tao Ming)
Tourists visit Hukou Waterfall of the Yellow River, which is located on the border area between north China's Shanxi and northwest China's Shaanxi provinces, July 11, 2017. (Xinhua/Tao Ming)