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The cave system of Postojna is the biggest cave in all of Europe and the second biggest in the world. On its lowest level flows the river Pivka. This is a natural habitat of Proteus anguinus.
- Autor
- Stephan Bürger
- Erstellt am
- Donnerstag 3 Mai 2018
- Veröffentlicht am
- Montag 10 Juni 2024
- Besuche
- 2944