tourist cave vrelo in the gorski kotar region - fuzine, croatia or die höhle vrelo in der kroatischen region gorski kotar

adventure ancient art attraction background black cave cavern caving clip croatia dark darkness deep der design die drawing earth entrance formation fuzine fužine geology glowing gorski graphic green ground hole hrvatska kotar kroatien kroatischen landscape light limestone mountain natural nature night outdoor outside picture regiji region rock scene scenery stalactite stalagmite stone tourism tourist travel tunnel turistička underground vrelo water yellow špilja