Ключевые слова: abstract, aged, allegory, alone, background, bark, big, black, blue, bough, branch, close, concept, crown, dead, death, design, dry, ecology, element, environment, fall, forest, grey, grow, growth, isolated, jungle, leafless, lonely, natural, nature, old, one, outdoor, plant, set, single, sky, stem, tall, tree, trunk, up, wood, wooden, young,