system jaskiń

All structures are contained in an extensive cavern system since the surface is inhospitable.

"Are there any maps of cavern systems on this ice ball?"

There is no mention of cavern systems in any of them.

The situation would be quite different if the cavern system was empty.

The underground cavern system had a branch that opened barely half a mile from the camp.

Centuries ago, Native Americans used the cavern system for shelter.

Eventually the surface froze again, sealing and preserving the cavern system below.

While they carved out their new habitation from the basic cavern system, everything would be covered with stone dust.

The sanctuary is a cavern system in a huge outcrop of rock.

The cry was echoing through the cavern system; the creature might be anywhere.