Secrets Underground

9:00 AM to 10:00 AM

Monday 28 October

Doomsday Volcano Mystery

Season 2 Episode 4 of 8

Beneath the densely populated city of Naples lies a looming threat. A super volcano may be on the verge of erupting and causing an apocalyptic catastrophe

Secrets Underground airs on Discovery History at 9:00 AM, Monday 28 October. (Subtitles, audio description.)

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