Tourist walking on a concrete walkway inside the famous postojna cave in slovenia, admiring the stalactites and stalagmites during a guided tour

visitor visitors go going goes walk walking walks forty 40 man men men's man's guy guys footbridge footbridges walkway jetty jetties walkways steg stalagtite stalagtites stalactite stalactites dripstone cave dripstone caves stalactite cave stalactite caves dripstone dripstones cave caves nature open air slovenia tourist tourists holidaymaker holidaymakers interior interiors underground subterranean belowground tourism geology geology tourist attraction tourist attractions place of interest famous place famous places sight landmark tourist landmark places of interest tourist spot caucasian ethnicity light skinned caucasian male males famous renowned famed natural landmark indoor indoors inside interior indoor photo indoor shot indoor shots interior views interior view interior photo interior photos interior photograph interior shot interior shots inner view landscape landscapes scenery sceneries landscape photograph countryside landscape shot landscape photo guided tour guided tours person persons human being people human humans individual individuals admire admiring admires journey trip travel voyage voyages geologic geological one person 1 person single person age 42 years male 40 44 years 40 44 years karst cave karst caves travel photography stalagmite stalagmites postojna cave postojna caves concrete walkway