This was on 9th floor of old Manhattan office building. Um, what? Aren't fallout shelters supposed to be underground?pic.twitter.com/ka6cumx9OW
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@JustineLavaworm not necessarily, it's just easier if it's underground because you get free shielding.
@chaosprime I'm deeply dubious about that stairwell's ability to deflect radiation.
@JustineLavaworm 60 cm of concrete will cut gamma ray exposure by a factor of 1000... would you say there were two-foot concrete walls?
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