Ключевые слова: blue, breath, cave, cavern, cenote, central, dive, diver, diving, free, fresh, fun, groundwater, hold, hole, leisure, light, mask, mexico, nature, ocean, outdoor, peninsula, recreation, rock, scuba, silhouette, sinkhole, snorkel, sport, stalactites, stone, system, travel, tropical, underwater, vacation, water, wet, wild,