Postojna caves in Slovenia. The biggest with an open part for tourism in Europe, full of people interested in viewing this amazing underworld.
Predjama castle is also a must close to this caves http://i.imgur.com/DYO1EWj.jpg
Spanish 29 years old guy that loves photography and Nokia (as objects, of course I love as well girlfriend, family, friends...etc). Pharmacist working at Jaca...
