"800 years since the Discovery of Postojna Cave"
Postojna Cave is a network of 20 kilometres of passages, galleries and chambers into which experienced guides have accompanied more than 31 million visitors in the last 188 years. It is the largest cave in the "classic karst" and the most visited show cave in Europe. In 1872 railway lines were laid in the cave; electricity arrived in 1884.
Inside the cave:
(news by Pabitra Saha)
LINK: Postojna Cave site
LINK: Postojna Cave in Wikipedia
LINK: Bank of Slovenia
SPECIFICATIONS
External ring: CuNi
Center disc: 3 layers, Ni-Brass, Ni, Ni-brass
Diameter: 25.75 mm
Width: 2.20 mm
Weight: 8.50 g
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