Ключевые слова: abstract, ancient, article, artistic, artwork, aspen, autumn, back, background, bareness, beech, birch, branch, coffins, deciduous, design, doodle, draw, dried, efficient, engraving, forest, graphic, grunge, image, linden, line, linework, natures, oak, object, obsolete, outline, plant, poplar, rough, scribble, season, shape, silhouette, silhouettes, simple, sketch, sketchy, splatter, surreal, tree, trunk, willow, wood,