They see an underwater city full of life force.

Soon they were free of the underwater city, swimming upward to the surface.

Even if what you say is true, why should this underwater city go out of their way to save them?

He shows them his home, an underwater city built by Gungans to stay away from humans.

As the name suggests, it takes place in the underwater city of Atlantis.

It is an exotic land with a shining underwater city.

They also awaken in the underwater city below the Atlantic ocean.

That's long enough to plant them throughout that whole underwater city.

This game involves you building an underwater city in 3D.

But that was no underwater city he had seen.