Brine Icicle / Brinicle

Whilst we wait for snow above the surface in the UK, have a look at this wonderful BBC prog. footage of a brine icicle (Brinicle) forming under the Antarctic ice:

“BBC Natural History Unit producer Kathryn Jeffs reveals the extreme conditions her film-making crew had to endure to capture the bizarre “ice finger of death” – known as a brinicle”