Ключевые слова: agriculture, backgrounds, bark, birch, branch, circle, closeup, color, energy, environment, environmental, firewood, forest, fuel, full, green, hardwood, heap, industry, log, material, natural, nature, outdoors, paper, plant, power, raw materials, resources, ring, scene, section, stump, summer, sunset, timber, tree, trunk, wood, woodland, woodpile, working,