Icicles of death!

Blocked. I've had three people forward it to me, all last night. They said it worked then. Now it's blocked. Damn. Presumably it is from his newest series, The Frozen Planet, so I'll see it eventually on DVD.

There might be another way to see it, hold on....

.... here, try this:

http://www.bbc.co.uk/nature/15835017