It is indeed a very big chamber - an underground cathedral - and we sat and turned off our torches.
The Medic and the Weapons Expert strolled at a leisurely pace through the crowded, underground cathedral.
Their weapons were at high port, all the equipment was carefully muted so as not to clatter or creak, and their rubber-soled paratrooper boots made little noise on the stone paving as they hurried along the deserted cloisters to the entrance of the underground cathedral.
"For that you can thank Ensign Chekov-" Kirk's voice broke off abruptly as Tomlinson led them around a final curve of conduit and, without warning, into a space that looked like an underground cathedral.
A big underground Neolithic cathedral.
Sound of Cold Economics Zipaquira's underground cathedral has become a national landmark since its consecration 38 years ago as a shrine to the patron saint of local miners, the Virgin of the Rosary of Guasa.
But driving the engineers' move to high technology is an enduring, simple and popular faith that has made the underground cathedral Colombia's national shrine.
They eventually take a lift beneath the sands into what appears to be an underground cathedral, where the snake creature and other bizarre characters interact with vocalist Le Bon.
The interior of Canary Wharf station has been likened to an underground cathedral, owing to the sheer size of the excavation.
Moments later the door swung open and Richard was ushered into what resembled a large underground cathedral.