Ключевые слова: aerial, architecture, asphalt, bird, broken, building, bulldozer, business, city, collecting, company, construction, crushed, day, environment, equipment, eye, factory, grass, gravel, green, heavy, high, industrial, industry, land, limestone, machinery, material, materials, modern, natural, paving, pit, plant, producers, production, quarry, recycle, road, russia, sand, smoke, stone, storage, summer, technology, transport, transportation, view,