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South Dakota doomsday city built underground | On Balance
Bunkers, survival plans, stocked pantries and stashes of supplies — We’ve heard about doomsday preppers for a while. But now it’s becoming a big business. Real estate speculators say there are plenty of people out there worried enough about the future to buy properties in bunker communities. NewsNation national correspondent Brian Entin visits a former Army base turned bunker community in South Dakota that’s off-grid and built to be self-sufficient.