Ключевые слова: architecture, background, blue, build, building, built, business, cement, city, concrete, construction, crane, development, engineering, equipment, estate, exterior, frame, heavy, high, home, house, housing, industrial, industry, lift, lifting, machine, machinery, metal, modern, new, project, safety, scaffolding, site, sky, skyscraper, steel, structure, tall, technology, tower, transport, transportation, urban, water, work, worker, yellow,