Breathtaking scenery of Hukou Waterfall in northern China

Photographers take photos at Hukou Waterfall Scenic Area on the Yellow River, north China's Shaanxi Province, Jan. 2, 2010. The Hukou Waterfall has not been frozen yet, thus attracting lots of tourists with the torrential water and icicle scenery. (Xinhua Photo)

Tourists take photos at Hukou Waterfall Scenic Area on the Yellow River, north China's Shaanxi Province, Jan. 2, 2010. The Hukou Waterfall has not been frozen yet, thus attracting lots of tourists with the torrential water and icicle scenery. (Xinhua Photo)

Tourists visit the Hukou Waterfall Scenic Area on the Yellow River, north China's Shaanxi Province, Jan. 2, 2010. The Hukou Waterfall has not been frozen yet, thus attracting lots of tourists with the torrential water and icicle scenery. (Xinhua Photo)