punkva cave in the moravian karst area near brno, czech republic. an incredible stalactite in the moravian karst

abyss adrenaline adventure beauty brno cascade cave cavern column curtain czech dark darkness dungeon exploration explore explorer extreme gorge grotto karst kras labyrinth light limestone mine moravia moravian moravsky natural nature punkevni punkva republic river sosuvska speleologist speleology sport stalactical stalactite stalagmite stone subterranean tourism underground vault water