Ключевые слова: abstract, background, bark, beautiful, big, brazil, brown, design, environment, environmental, eucalyptus, exam, feeling, foliage, forest, giants, green, ground, growth, leaf, learning, looking, material, natural, nature, old, outdoor, outdoors, park, pattern, peeling, plant, professor, red, rough, round, rounded, scientist, shape, study, studying, surface, texture, textured, touching, tree, trees, trunk, wild, wood,