list of natural world heritage sites in 1986. * Karst topography is a landscape shaped by the dissolution of a layer or layers of soluble bedrock . On the Slovenia tourism website I found this neat 360 view inside the caves. http://www.slovenia.info/pictures/photoalbum/prostorskeSlike/20051013/SkocjanskeJame_Jama.html See all 30 photos See all 30 photos See