![Discover Slovenia on Twitter: "CAVE OTOK, #Slovenia - a stunning cave with an incredible variety of formations that is connected to other parts of the #Postojna Cave system through the passages of Discover Slovenia on Twitter: "CAVE OTOK, #Slovenia - a stunning cave with an incredible variety of formations that is connected to other parts of the #Postojna Cave system through the passages of](https://pbs.twimg.com/media/Dv-xhZsXgAAvD7J.jpg:large)
Discover Slovenia on Twitter: "CAVE OTOK, #Slovenia - a stunning cave with an incredible variety of formations that is connected to other parts of the #Postojna Cave system through the passages of
![slovenia Pivka cave in Postojna cave park, Slovenia. Postojna's magnificent cave formations and diverse fauna has attr… | Hiking europe, Postojna, Adventure travel slovenia Pivka cave in Postojna cave park, Slovenia. Postojna's magnificent cave formations and diverse fauna has attr… | Hiking europe, Postojna, Adventure travel](https://i.pinimg.com/originals/59/36/55/593655e5711e0cabfa0977a96ad7c215.jpg)
slovenia Pivka cave in Postojna cave park, Slovenia. Postojna's magnificent cave formations and diverse fauna has attr… | Hiking europe, Postojna, Adventure travel
![geology of Postojnska jama. (1) Cave passage with underground River... | Download Scientific Diagram geology of Postojnska jama. (1) Cave passage with underground River... | Download Scientific Diagram](https://www.researchgate.net/profile/Franci-Gabrovsek/publication/305040112/figure/fig1/AS:614212208435202@1523451010019/geology-of-Postojnska-jama-1-Cave-passage-with-underground-River-Pivka-filled-blue.png)
geology of Postojnska jama. (1) Cave passage with underground River... | Download Scientific Diagram
![Pivka cave, Postojna Area, Green Karst, Slovenia, Europe, Stock Photo, Picture And Rights Managed Image. Pic. F52-2303208 | agefotostock Pivka cave, Postojna Area, Green Karst, Slovenia, Europe, Stock Photo, Picture And Rights Managed Image. Pic. F52-2303208 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/4f2ddc3d1d1b21751651c21961338888/f52-2303208.jpg)
Pivka cave, Postojna Area, Green Karst, Slovenia, Europe, Stock Photo, Picture And Rights Managed Image. Pic. F52-2303208 | agefotostock
![🇸🇮 Slovenia day Trips: Pivka Jama Pivka Cave near Postojna and Postojna Cave Slovenian Karst region - YouTube 🇸🇮 Slovenia day Trips: Pivka Jama Pivka Cave near Postojna and Postojna Cave Slovenian Karst region - YouTube](https://i.ytimg.com/vi/j2r4olAFnYo/hqdefault.jpg)