Sentence examples for an underground from inspiring English sources

"It's an underground scene".

Or about an underground city.

She ran an underground charity.

-- an underground opposition group.

I am an underground formal person.

Does Jerusalem, I asked, have an underground?

That's an underground scene, but still".

It's an underground fruiting body.

It was an underground mining.

Once you're in, it's an underground wonderland.

Tunnel below for an underground expressway.