Image for Andy discovers moulin tunnels

Andy discovers moulin tunnels

Duration: 02:51

Andy Torbet leads a team down into the heart of the ice.

Available since: Thu 25 Oct 2012

This clip is from

Operation Iceberg Birth of a 'berg

1/2 A team of scientists explain why the Store glacier of Greenland produces so many icebergs.

First broadcast: 30 Oct 2012

Image for Birth of a 'berg Not currently available on BBC iPlayer

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