Student licked moisture off walls while trapped inside cave for three days

A 19-year-old Indiana University student said he licked moisture off of the walls to stay hydrated while he was trapped inside a gated southern Indiana cave for almost three days.  Indiana Freshman Lukas Cavar was on a spelunking trip to Sullivan Cave on Sunday with 12 other members of Indiana University's Caving Club when he became separated from the group, according to the Indiana Daily Student.