There, he gets in trouble for letting humans into their secret city.

In particular, it is often said to hide a secret city beneath its peaks.

Are the residents of secret cities really happy to be open, "free" and competing with the outside world?

All her stories take place in Florence which she describes as a "very secret city".

There is a network of secret cities all over Russia.

It will take you to the secret city in about an hour.

Can't be that hard to manufacture more, if his allies control some of the secret cities.

But for those of us born here, there is a secret city within Oz.

That story about the secret city is just an old legend, but there actually are people who live out in the bush, you know.

Strange people living in a secret city hidden away from the rest of the world.