Avalanche: Dangerous Earth

BBC FOUR

Monday 22 October 2018  19:30 - 20:00 (30 mins)
1/6. Dr Helen Czerski looks at the anatomy of an avalanche, from eyewitness footage from within one to detailed CT scans showing the microscopic changes that cause them. Also in HD. [S]

Avalanche: Dangerous Earth may be available on playback
Avalanche: Dangerous Earth (BBC FOUR) Monday 22 October 2018 19:30 - 20:00