They get into his air-car, and descend deep into a tunnel.

The outline is what you might call classic: Five college students descend upon an abandoned cabin deep in the woods.

To the right was another door that opened onto a stairway that descended deep into the ship.

We descend deep into a damp cave, ducking jagged rocks and carefully placing each step along the slippery rocks.

This quality is exemplified in Walter Morel, who every day descends deep into the earth.

The sloping walls of the crater, which descended deep into the bedrock, were shockingly smooth.

During this Laura descends deep into the dark corridors of the human mind, only to reveal a morbid truth in her past.

And yet, while one of these men became the idol of millions of idealists, the other descended deep into scandal.

The mountain has several glaciers, some of which descend deep into the valleys of the Pirikita Range.

Descending deep into the grotto one finds the Inner temple.