Ключевые слова: agriculture, background, beech, biomass, branch, brown, cut, deforestation, detail, ecology, energy, environment, environmental, firewood, forest, forestry, fuel, green, industry, landscape, leaf, log, logging, logs, lumber, material, natural, nature, pile, pine, raw, remember, resource, rural, saw, spring, stack, stacked, sustainable, sylviculture, texture, timber, tree, trunk, wood, wooden, woodland, woodpile, woods,