Volcanologists Descend into Mt Vesuvius' Crater
Clip: Season 46 Episode 6 | 2m 58s | Video has closed captioning.
Samples of carbon dioxide from Mt. Vesuvius can reveal how close magma is to the volcano's surface. To collect them, researchers descend into Vesuvius' 1,000-foot-deep crater.
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Problems Playing Video? | Closed Captioning