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Behind The Scenes, Kawak Ijen Sulphur Mine

Duration: 02:47

Producer Lucy Haken explains how a visit to the Kawah Ijen volcano in East Java, Indonesia was her highlight from filming the series.

We journey to the centre of the earth and drain the oceans to find out how the machine beneath our feet works, how it churns and affects life on the planet's surface.

Available since: Tue 26 Jul 2011

This clip is from

Richard Hammond's Journey To...

Exploring the machine at the centre of our planet and the ways it affects our lives.

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