We Can Be Happy Undergound!

We'll be dressed in all black, watching Hitchcock; fantastic!

Parisian officials have discovered a fully-equipped cinema in the vast network of catacombs beneath the city.

It's strange to think that whole worlds exist under the modern streets of the world's largest cities. But they're there.

Patrick Alk, a photographer who has published a book on the urban underground exploration movement... told RTL radio the cavern's discovery was "a shame, but not the end of the world". There were "a dozen more where that one came from," he said.

"You guys have no idea what's down there."