Thanks to JadAbumrad, a detailed article about the impressive, yet well hidden, ventilation towers all over New York City (and the terminii of tunnels elsewhere): Imagine an entire city district dedicated to nothing but ventilating the underworld!

I think the new Airport is working, but the cable modem is so damn intermittent I don't have enough data to be sure. All this technomagic is great when it's working, but massively frustrating when it falls apart in your lap like a house of cards.

Dialup never gave me this tsurris!