cave system
From Underfoot Expounder
Q66443867
system of interconnecting caverns
Wikidata
underground system
class, subterranea, physical system, natural geographic object
Countries:
| Type | Date | Description | Keywords | Notes | Source |
|---|---|---|---|---|---|
| link | Die Höhlenlabyrinthe in Bayern und Oesterreich@ |
| Wikidata | ||