It's dizzying to imagine the insane engineering that goes into constructing a complex network of subway tunnels underneath a thriving city. I mean, look at this. It's even crazier to think of what happens down there when a station gets shut down for good.
Thankfully, a handful of photographers around the world have braved the mole people, rats, and whatever else goes down underground to capture the abandoned spaces in all their dank, frighteningly beautiful glory.
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