Frozen waterfalls form on Chinese mountain

More than 20 frozen waterfalls have formed in Tianmen Mountain National Forest Park in China's Liaoning province.

The icy spectacle is thanks to a combination of low temperatures and the park's artificial irrigation system

source : http://www.bbc.com/news/video_and_audio/must_see/42586338/frozen-waterfalls-form-on-china-s-tianmen-mountain