Ключевые слова: art, aspen, autumn, background, bare tree, bareness, beech, birch, black, black and white, branch, care, collection, color, conserve, curve, dead, deciduous, design, drawing, dry, eco, elegance, environment, forest, illustration, isolated, oak, organic, outdoor, outline, pattern, plant, poplar, preservation, protection, resource, season, set, shape, silhouette, silhouettes of trees, text, tree, trunk, white, winter, wood,