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To get a good look at everything, let's take a tour of underground New York.

You’ll look at millions of wires and hundreds of thousands of cables, see the sewer system and the water supply system, each three times the length of the Hudson River. But there is much more to it... What secret passages are there? And who lives in this underworld?

Beneath New York lies a vast infrastructure and archaeological wonders. We'll start our behind-the-scenes tour with the layers closest to the surface. Grab your flashlights, we are about to start a fascinating journey called:

"What Lies Under New York?".