S2, E2: Looking at the eruption of Italy's Mount Vesuvius which destroyed the ancient Roman cities of Pompeii and Herculaneum. Vesuvius still continues to threaten a densely populated area.

S2, E2: Looking at the eruption of Italy's Mount Vesuvius which destroyed the ancient Roman cities of Pompeii and Herculaneum. Vesuvius still continues to threaten a densely populated area.