▪️Postojna cave in Slovenia is a site of more than 3 million years, and houses impressive halls with natural formations, in limestone rocks.
▪️Postojna is visited on train rides that run 2 km from inside the cave, cutting rooms with speleothems such as stalactites, stalagmites and curtains, combined with a walk for another 1 km.
WOOOOL !!! It must be amazing to explore this cave
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