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Fire & Ice (Full Episode) | Hostile Planet: Compilation | National Geographic

Origins to Collapse of an Ancient Civilization | Rise and Fall of the Maya MEGA Episode | Nat Geo

Two Wars, No Clear Exit Plan. Now What? | TED Explains the World with Ian Bremmer

Uncovering Wildlife Trafficking & Other Criminal Organizations | To Catch a Smuggler MEGA Episode

Mariana van Zeller Tracks Down Assassins & More | Trafficked MEGA Episode | National Geographic

Eyewitness Account of Portugal's Hellfire (Full Episode) | Witness to Disaster | National Geographic

Tackling the Impossible (Full Episode) | Apollo: Back to the Moon | Nat Geo

The dust bunnies that built our planet - Lorin Swint Matthews