Image for Crystal cave: Behind the scenes

Crystal cave: Behind the scenes

Duration: 06:07

Presenter Iain Stewart gives us an insight into the difficulties of filming inside the remarkable crystal cave. With temperatures reaching 40 degrees Celsius and a 100% humidity level, the caves prove to be a very hostile environment.

Available since: Wed 13 Jan 2010


Iain Stewart
Matthew Gyves
Matthew Gyves
Jonathan Renouf

This clip is from

How Earth Made Us Deep Earth

1/5 How the forces of the deep Earth played a role in the development of human civilisation.

First broadcast: 19 Jan 2010

Image for Deep Earth Not currently available on BBC iPlayer

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