"Thank you, sir, but the way by the subterranean passage would take too much time and I have none to lose."

"I believe this wall is a more recent addition to these subterranean passages."

Before him he saw the kind of subterranean passage which he had not visited for more than 70 years.

During summer months the river bed often runs dry as most of the water takes a subterranean passage.

They were meeting with opposition at the farther end of their subterranean passage.

The spring water is transferred to the upper pool by a large subterranean passage.

No, when I see those subterranean passages, my suspicions are aroused.

The subterranean passage came to an end just a few steps beyond.

At that time, no subterranean passages existed in the area you indicated.

Perhaps it was only the subterranean passage that made her voice seem too low to be addressing him.