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ce, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible. Get More National Geographic: Official Site: http://bit.ly/NatGeoOfficialSite Facebook: http://bit.ly/FBNatGeo Twitter: http://bit.ly/NatGeoTwitter Instagram: http://bit.ly/NatGeoInsta Unique in their beliefs, motivations and strategies, Doomsday Preppers explores the lives of otherwise ordinary Americans who are preparing for the end of the world as we know it. Doomsday Preppers https://youtu.be/XbgUZFHb9QY National Geographic https://www.youtube.com/natgeo