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National Geographic History on Instagram: "The pyroclastic surges from Vesuvius weren't just moving fast, they were far too hot to survive. A scale model of Pompeii helps volcanologist Dr. Chris Jacks...
3,898 likes, 25 comments - natgeohistory on July 28, 2026: "The pyroclastic surges from Vesuvius weren't just moving fast, they were far too hot to survive. A scale model of Pompeii helps volcanologis...