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Season 46 Episode 6 | 53m 10s Video has closed captioning.
In the shadow of Italy’s Vesuvius, a lesser-known volcano rumbles: Campi Flegrei. If it erupts, millions of lives could be at risk. Scientists explore its unique geology and develop a warning system that could prevent Naples becoming the next Pompeii.
Aired: 02/20/19
Expires: 02/04/22
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