A secret Soviet Cold War bunker hidden deep in the Czech forest reopens to the public
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The only one of its kind in the world that's open to the public, only the Soviet military was allowed inside this bunker storing armed nuclear missiles.
Prague uncovered: The Žižkov Tunnel hides a fallout shelter and a particle accelerator
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The tunnel under Prague’s Vítkov Hill was built in the 1950s and doubled as a civil defense shelter
