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Inside the heart of a volcano
Joanne Whalley goes deep inside a volcano in Iceland. The cavern is so deep - 120m (400ft) - you could fit New York’s Statue of Liberty inside it.
The volcano is popular with adventure travellers and people wanting to hire the location for special events. There are now plans for it to become a concert venue.
And in a Travel Show exclusive, a local Icelandic choir becomes the first to sing at the bottom of the cavern.
Duration:
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