Ключевые слова: animal, bat, brown, cave, cavern, caving, chiroptera, climb, colony, dark, darkness, deep, dungeon, exploration, fauna, flight, flying, formation, geology, group, habitat, hanging, hibernation, horror, insectivorous, inside, interior, limestone, mammal, mineral, myotis, nature, night, nocturnal, rock, scary, sleeping, speleology, speleothem, spelunking, stalactite, stalagmite, stone, subterranean, tunnel, underground, wall, wilderness, wildlife, wing,