In the London underground there is a warning to mind the gap when boarding the train.

The underground.

In the underground.

They've gone underground.

It was performed last September one time only in the Atlantic Avenue tunnel in Brooklyn, which is considered to be the oldest underground train tunnel in the world, built in 1844.

Miru Kim's underground art

Underground, like everywhere else.

By bus or underground?

The underground That's enough.

The underground needs nurses.

Where's the nearest underground station?

(d) Work underwater or underground

50. Child prostitution is underground.

The underground is still alive.

Yes. We saved the underground.

He worked with the underground.

Turn left at the underground.

We can only drive it underground.

How about underground with a view?

And then from underground to underwater.

(g) Cracow (September 1994) Underground structures

Sztaluga will then inform the underground.

No use against an underground dump.

You were in the Underground Army.

He'll be comfortably underground before nightfall.

You have no idea what's underground

Start the train. Start the train!

Constantinople train. Whoop, whoop, whoop! Constantinople train.

Underground in a place that's really solid.

This is something called an underground forest.

Not just an old fella lonesome underground.

The Warsaw underground striking back... sabotage, destruction.

That's an underground chamber like this one.

Right after the train crash, authorities literally wanted to cover up the train, bury the train.

Train.

Train.

Train.

TRAIN.

That is why we train police officers, we train judges, we train public prosecutors around the world.

ILO Underground Work (Women) Convention, 1935 (No. 45)

(h) Praha (November 1994) Underground construction in cities

Please don't go to the underground meeting tonight.

You escaped, joined the Underground and became heroes.

Yes, underground is the best place for Harry.

The survivors settled in underground passages beneath Chaillot.