Ключевые слова: activity, architecture, background, blue, build, building, built, business, city, concrete, construction, crane, cranes, development, engineering, equipment, estate, frame, growth, heavy, high, hoist, home, house, housing, industrial, industry, iron, lift, lifting, machine, machinery, metal, mortgage, outdoor, project, property, site, sky, skyscraper, steel, structure, sunset, tall, technology, tower, urban, work, workplace,