It is likely that marine waters intruded directly into this cavern during its formation.
The artificial light, shining into the dark filthy-looking cavern or cesspool, threw the adjacent houses into a deep shade.
This immensely long cavern is the only permanent water source for miles around.
We passed a glorious looking scene today, in a big snow cavern.
Over and above this cyclic structure several epiphanies materialize: spaces for meditation like vast caverns awaiting exploration.
Real-time sound manipulation can transform the lounge room theatre space into a grand cathedral, an open-air sports arena or a small cavern affected by excess moisture.
Both the sepia sketch and the lithograph show a view of the large cavern with the rocky roof arching overhead and stalactites hanging from the right-hand side.
I do not claim to be a mind reader, of course—and not in such dark caverns as that.