Aired: 1/4/2015
Two-part documentary. Kate Humble joins a team of geologists at Tanna in the Vanuatu archipelago, where they travel right to the heart of one of the world's most active volcanoes.
Aired: 1/11/2015
Two-part documentary. Kate Humble goes on an awe-inspiring adventure to Ambrym in Vanuatu, where she abseils into a volcano containing one of only five lava lakes on the planet.
