SŁOWACJA - Belianska jaskyna
http://www.slovakia.com/caves/belianska-cave/
http://www.vysoketatry.com/ciele/bjaskyna/bjaskyna.html
http://slovakia.travel/pl/jaskinia-belianska
https://www.youtube.com/watch?v=XmiiXy8Kn9I
I collect postcards from around the world. Subject: waterfalls, caves, volcanoes, mountains, islands, maps on postcards, cultural monuments, UNESCO panorama cities. Feel free to exchange.