Ключевые слова: background, bark, branch, brown, clear, climate, cold, ecology, environment, foliage, forest, frost, frozen, glade, gray, green, ground, journey, landscape, leaf, lichen, moss, natural, nature, north, old, oregon, outdoor, park, plant, polar, rough, scene, season, serene, snow, states, stump, surroundings, timber, tree, trunk, united, usa, view, weather, white, wilderness, winter, wood,