The new tunnel also makes it possible to close one of the other two tunnels for repairs.

Far ahead through the dust that filled the air, they saw where the tunnel made a turn to the right.

The tunnel made a few sharp turns and came to a central chamber, with four tunnels going off in various directions.

The tunnel made an excellent spot for observation of the cove beyond.

We could not see what lay behind the strange defence screen because the tunnel made a turn.

After several hundred yards, the tunnel made a sharp incline.

The tunnel made a right angle turn, and a brighter light came from there.

After about a half mile the tunnel made a sharp turn.

The first tunnel ran straight ahead for quite a distance, then made a sudden, sharp turn.

The tunnel made a corner and then became two, one going up, the other down.