Ключевые слова: adventure, beautiful, big island, cellar, cellars, dark, environment, exploration, foliage, forest, green, hawaii, hilo, jungle, kaumana, kaumana cave, kaumana caves, landscape, lava, lava tube, lavatube, leaf, lush, moss, natural, nature, opening, outdoor, park, rock, roots, seedling, speleology, tourism, travel, tree, tropical, tube, tunnel, underground, volcanic, volcano,