Ключевые слова: agriculture, biomass, bird, branch, broad leaf, canopy, clean air, concept, coniferous, dark, dense, eco, ecofriendly, ecological, ecosystem, environment, evergreen, fir, forest, forestry, green, grow, habitat, hardwood, harvest, healthy, industry, log, lumber, lush, natural, old, organic, outdoor, park, pine, silence, spruce, sustainable, texture, timber, top, trees, treetop, trunk, uniform, vegetation, wild, wilderness, wood, woodland,