Postojna Caves in Beautiful Slovenia – Wandering Off Somewhere…
Postojna, Slovenia. 13th, July 2019. The Postojna Cave is a 24,340 m long cave system near Postojna in southwestern Slovenia. It is the second-longest cave system in the country and one of
Postojna, Slovenia. 13th, July 2019. The Postojna Cave is a 24,340 m long cave system near Postojna in southwestern Slovenia. It is the second-longest cave system in the country and one of