Synopsis

From a bunker built in the path of an avalanche, scientists discovered the saltation layer at the centre of every avalanche.

Further Information

More clips from 10 Things You Didn't Know About...

3: Avalanches | 10 Things You Didn't Know About...

BBC Four | 2008 | 58'05''

Iain Stewart reveals ten remarkable stories about avalanches, including how the deadliest one killed 18,000 people in thre...

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Following the 'winter of terror' in 1951, many measures have been put in place to protect people from avalanches, ...

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Iain Stewart explains the complex conditions that produce an avalanche.

Kolka Glacier | 10 Things You Didn't Know About…

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Iain Stewart explains how an avalanche caused by global warming forced a large section of the Kolka glacier to break away ...

Rock Avalanche | 10 Things You Didn't Know About…

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Iain Stewart explains the conditions that cause rocks to flow in a rock avalanche.

Skiers | 10 Things You Didn't Know About…

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Iain Stewart explains the conditions that caused the devastating 1999 avalanche in Mont Blanc.

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Iain Stewart investigates the case of an aeroplane that mysteriously disappeared while flying over the Andes.

The Worst Avalanche In History | 10 Things You Didn't Know About…

BBC Four | 2008 | 3'19''

The worst avalanche in history occurred in 1970 in Peru, when an underwater earthquake triggered a glacia...

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The Saltation Layer | 10 Things You Didn’t Know About…

Synopsis

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