Ключевые слова: abstract, aspen, background, bark, beauty, birch, black, bold, branch, color, colorado, day, details, environment, environmental, forest, green, group, grove, hike, landscape, leaf, light, mountains, nature, outdoors, park, pattern, peaceful, plant, rockies, rural, russia, scenic, season, spring, stem, striped, summer, sun, sunlight, trail, tree, trunk, white, wild, wildlife, winter, wood,