Ключевые слова: adventure, amazing, attraction, beautiful, blue, canary, canary islands, cave, cavern, cueva de los verdes, dark, deep, exploration, geology, hole, inside, island, lake, landscape, lanzarote, lava, light, limestone, los verdes, mineral, mystery, natural, nature, reflection, rock, spain, speleology, stalactite, stone, tourism, travel, tube, tunnel, underground, volcanic, volcano, water,