（单词翻译:单击）
Hukou Waterfall of China's Yellow River has become a "steaming kettle" recently. Since the beginning of May, the water flow of the Yellow River has been decreasing.
The usual muddy river water has become extraordinarily1 limpid2 these days, but the Hukou Waterfall roars turbulently. This fantastic scene attracts many tourists.
Hukou Waterfall is located in the Yellow River on the Shanxi-Shaanxi border. At 50 meters high, it is the largest waterfall on the Yellow River and the second highest waterfall in China. When the Yellow River approaches the Hukou Mountain, blocked by mountains on both sides, its width is abruptly3 narrowed down to 20 meters to 30 meters.
