Ключевые слова: air, background, beauty, blue, caltanissetta, colorful, colors, country, crater, environment, eruption, etna, europe, excursion, field, green, heritage, high, hills, holidays, horizon, italy, journey, landmark, landscape, mazzarino, mount, mountain, natural, nature, outdoor, panorama, peak, scene, scenery, sicilian landscape, sicily, sky, smoke, snow, south, tourism, tourist, travel, trip, unesco, vacation, view, volcano, world heritage site,