Nagórzyckie Grottoes in Tomaszów Mazowiecki
The Nagórzyckie Grottoes in Tomaszów Mazowiecki (pol. Groty Nagórzyckie w Tomaszowie Mazowieckim. Also known as: Nagórzyckie Caves) – the former underground quartz sand mine in the southern part of Tomaszów Mazowiecki, Poland.
Cave data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).