Ключевые слова: africa, alpine, amazing, antsirabe, beautiful, blue, cliff, conifer, coniferous, crater, crater lake, dead crater, ecology, emerald lake, environment, extinct, famous, forest, green, greenery, hiking, hillside, landmark, landscape, madagascar, malagasy, mountain, natural landmark, nature, picturesque, plant, rock, rocky, scenery, shore, sky, spectacular, steep, tourism, touristic, travel, trees, tritriva, turquoise, vegetation, view, volcanic, volcanic lake, volcano lake, water,