Visitors take photos of the torrential Hukou Waterfall on the Yellow River in Jixian County, north China's Shanxi Province July 30. The width of Hukou, the world's only yellow waterfall, reached 100 meters after days of continuous rainfalls on the upper reaches of the Yellow River.

A general view of the torrential Hukou Waterfall.

(Xinhua News Agency July 31, 2007)