Ключевые слова: abstract, aspen, autumn, background, blue, botanical, bright, colored, colors, coommon, countryside, ecology, environment, eurasian aspen, european, fall, foliage, garden, golden, green, intesne, leaves, nature, organic, outdoors, oxygen, photosynthesis, populus, populus tremula, pure, seasonal, sky, sustainability, sustainable, texture, textured, tree, yellow, yellowish,