Skocjanske jame, a unique UNESCO site

The Skoc­jan Caves are the  great­est under­ground Canyon in Europe and sec­ond great­est in the world. Enlisted in UNESCO because of its out­stand­ing uni­ver­sal value. That is a strong char­ac­ter to start with, but there is more: it is UNESCO and RAMSAR (inter­na­tional con­ven­tion of wet­lands) her­itage, acknowl­edged as one of the nat­u­ral trea­sures of planet Earth; has about 130.000…