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The Mole People: Life in the Tunnels Beneath New York City
Author: Jennifer Toth
Hacker News 1
Avaliable on Amazon
There are a great many more people in the tunnels than you may think: https://www.amazon.com/Mole-People-Life-Tunnels-Beneath/dp/1...
That said, you're absolutely right that cameras in the tunnels would be pointless. It's dark!
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