Postojna Cave’s Briljant

Postojna Cave with Briljant symbol:

Postojna Cave is a 24,340 m (79,860 ft) long karst cave system near Postojna, southwestern Slovenia. It is the second-longest cave system in the country (following the Migovec System) as well as one of its top tourism sites. The caves were created by the Pivka River.

In this picture you can see Brilliant, the symbol of Postojna Cave.

More info about Postojna Cave