Slovenia, Postojna Cave

Pastonia Cave in Slovenia is a major tourist attraction and the second longest cave system in the country. It features the famous Stalagmite Brilliant and is home to the endemic Ohm amphibian. The cave system, formed by the Pifka River, includes various geological formations. The cave railway, operational for 140 years, enhances visitor experience. Environmental concerns include pollution risks to the cave's ecosystem, highlighting the need for conservation efforts.

How has the transportation of visitors in Pastonia Caves evolved over the years?

What are the environmental concerns related to the Pastonia Caves and its inhabitants?