Ключевые слова: background, black, botany, branch, contour, crown, cutout, deciduous, drawing, ecology, environment, fagaceae, figure, flora, foliage, forest, graphic, grass, green, growth, icon, illustration, isolated, land, landscape, leaf, life, lush, monochrome, natural, nature, oak, organic, outdoor, outline, plant, quercus, season, silhouette, sketch, summer, symbol, tattoo, tree, trunk, twig, verdure, white, wildlife, wood,