Breakfast this morning consisted of a well stocked buffet at our accommodation in Grobisce. We ate heartily (our hosts even sourced out GF bread for Kim) from the produce which was mostly prepared and cooked in-house, to sustain us for our journey today to the centre of the earth. Our first port of call was Postojna Caves, which lies within the town of Postojna, and, along with Predjama Castle, is one of the leading tourist attractions of the south-west region of Slovenia. The cave system is 24.34 kms long and is the second-longest cave system in the country. The caves were created by the Pivka River. The cave was first described in the 17th century by the pioneer of study of karst phenomena, Johann Von Valvasor, although graffiti inside dated to 1213 indicates a much longer
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