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Caitlin, from California, lives in an underground bunker on her ... but when she walked down the stairs to open the bunker door, he was still standing at ground level. 'I asked, are you coming ...

This underground bunker dates back to the early days of nuclear anxiety (Picture: Simon Beer/Auction House East/SWNS) With the world in its current state, there are times when it might be tempting ...

like an underground bunker with a concrete-filled metal door, a collection of 11 tree houses connected by rope bridges and some extreme security infrastructure. The report, which cites building ...