Ключевые слова: altitude, atmosphere, board, chilliness, cloudy, cold, covered, crater, december, entertainment, environment, erupt, etna, excursion, flow, footprint, fun, holiday, ice, italy, landscape, lava, mountain, nature, overcast, panorama, peak, perturbation, refuge, sicily, skier, sky, snow, snowy, sports, summit, time, track, trail, trekking, vacancy, vacation, volcano, vulcan, weather, white, whitish, winter,