He comes to a large concrete pedestrian tunnel that seems to go on forever into the darkness.

Ahead of the motionless vehicle was a long concrete tunnel.

They reached the culvert and carried Job into the dark concrete tunnel.

Jack Ferguson passed through a concrete tunnel and stepped into a pool of light, then stopped.

The park space is only accessible by a concrete enclosed tunnel.

Then he ran up the concrete tunnel and back into the pleasure of thinking for himself.

Then he thought of the thing in the concrete tunnel and knew he could not.

What she could see was a concrete tunnel, its lower third filled with rushing water.

They walked down a long concrete tunnel, their footsteps echoing.

A little boy at school cut his head when he fell and hit it on a concrete tunnel while they were playing.