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Clip: Season 2 Episode 2 | 3m 44s | Video has closed captioning.
Steve and team scope out the edges of a fragile lava tube opening. They look for a section of rock that is stable enough for them to safely repel down into the lava tube.
Aired: 07/13/22
Q&A
Steve Backshall takes PBS behind his adventures, explains how the expeditions are chosen, and explores our role in protecting these magnificent locations.
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