Ключевые слова: architecture, background, blue, build, building, business, cable, city, concrete, construction, crane, derrick, development, engineering, equipment, estate, frame, heavy, high, hoist, industrial, industry, iron, lift, lifting, load, machine, machinery, metal, outdoor, project, scaffolding, silhouette, site, sky, steel, structure, sun, sunlight, sunrise, sunset, tall, technology, tool, tower, up, urban, wire, work, yellow,