cave · Postojna
Postojna Cave
24 km dolg jamski sistem, odprt za obiskovalce od leta 1819, delno si ga ogledate z električnim vlakom.
- 1 h 40 min
- 1.5 km
- Highly rated
Postojna
The town above Slovenia’s most visited cave system, halfway between Ljubljana and the coast.
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Original uploader was Boštjan Burger ( Lander ) at sl.wikipedia 
Tiia Monto - museum