Ключевые слова: aerial, alpine, autumn, beautiful, blue, blue hill, cloud, cold, dark blue, day, environment, europe, fall, farm, forest, freeze, frost, frozen treetops, highlands, hill, hoarfrost, ice, inversion, landscape, morning, mountain, mountains, natural, nature, outdoor, pine, range, region, rural, season, sky, snow, snowy, spring, spruce, sun, tourism, travel, tree, trees, weather, white, winter, wood,