Ключевые слова: aeolian, black, blue, brown, clear, cloud, crater, desert, dormant, environment, eruption, field, flow, geology, grass, green, hearts, hike, hill, island, italy, landscape, lava, minerals, mount, mountain, national, nature, park, red, reed, ridge, rock, sand, scenic, sky, slope, smoke, stone, sulfur, sulphur, summer, tourism, tourist, travel, tropical, vacation, view, volcanic, volcano, vulcano, water,