petralona cave, creece- may 25, 2007: ancient karst cave with stalactites and stalagmites,

cave formation quail caving stalagmite stalactite geology tunnel wadi person ice canyon trunk rock darkness terrain night painting ancient karst stalactites stalagmites petralona greece cenote ceiling limestone decoration carstic hand woman hands tree nature climbing outdoors finger people water love foot arm stone texture rocks wall underground travel creece- may 2007: