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B℮n: A journey to the center of the Earth at the Škocjan Caves
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B℮n: The underground phenomena: The Škocjan Caves
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B℮n: On top of Reka waterfall before plunging in the Škocjan Caves
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B℮n: Fascinating depth of the 163 meter Velika dolina Sinkhole
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B℮n: The narrow Sinkhole passage towards the Škocjan Caves
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B℮n: Each stair the Reka river steps deeper into the Škocjan Caves
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B℮n: The Reka river plunging inside the sinkhole deep down Earth
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B℮n: Underground phenomena in the Karst region of Slovenia
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B℮n: Daylight entering the mysterious Škocjan cave entrance
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B℮n: A panview on the sinkhole caused by karst processing
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B℮n: The river Reka flows down into the sinkhole
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B℮n: Škocjan village on top of it's sinkhole
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B℮n: The little cave explorer is impressed where darkness is revealed
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B℮n: The elephant stalagmite
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B℮n: The Reka river before plunging into the underground canyon
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B℮n: World heritage site the Škocjan Caves
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B℮n: The Predjama Castle with a deep hideout cave below
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B℮n: The path towards the 'stable' cave below Predjama Castle
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B℮n: A medieval appearance of the Predjama Castle in Slovenia
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B℮n: Beneath the castle the Lovka stream runs into the cave
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B℮n: Warm summer evening at Pedjama Castle
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B℮n: Medieval knight tournament flags at Predjama Castle
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B℮n: The mysterious karst cave system at Postojna
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B℮n: Proteus Anguinus - Human Fish without eyes deep in the cave
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B℮n: Nature's speleothems art at the Postojnska Cave
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B℮n: Draperies or curtains of calcite hanging downward
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B℮n: Postojnska cave truly shows its creativity
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B℮n: Gothic nature of Postojnska cave
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B℮n: Welcome to Piran - the pearl of the Mediterranean
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B℮n: The Piran peninsula on the Istrian coast of Slovenia