Secrets Underground

7:00 PM to 8:00 PM

Sunday 30 March

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 7:00 PM, Sunday 30 March. (Subtitles, audio description.)

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