The windows are wider, though, and offer a fine view of the subway tunnel.

"And then not every site has a subway tunnel running through it."

It was very much like the end of the line in a subway tunnel.

The subway tunnels were perhaps the worst place to be.

Yeah, they like not having to run or sleep in subway tunnels.

Everything around is silent, even the subway tunnel three levels below you.

"You have to realize that people are not supposed to be running into subway tunnels."

Under the street, construction was continuing on a new subway tunnel.

There was no way out of this room except through the subway tunnel.

It's just a matter of time until they discover the subway tunnels.