Ключевые слова: america, blue, cave, cenote, cenotes, clear, crystal, entrance, fresh, geologic, geology, get, groundwater, inside, jungle, lagoon, lake, limestone, mayan, mexican, mexico, natural, nature, park, pool, riviera maya, rocks, roots, sinkhole, skirt, stair, staircase, stairs, stalactite, step, steps, stone, swim, tourism, travel, tree, tropical, tulum, turquoise, underground, water, wooden, yax muul, yaxmuul, yucatan,