Ключевые слова: animal, cart, cave, corf, corridor, deep, depth, destination, digging, disuse, dripping, engineering, europe, extracting, extraction, famous, gallery, geological, geology, grot, grotto, history, horse, industrial, industry, inside, krakow, ladder, landmark, machine, machinery, mine, mineral, mining, obsolete, old, poland, potash, pull, rail, railway, saline, salt, salty, speleology, structure, tourism, tunnel, underground, wagon, wieliczka,