Ключевые слова: abstract, apartment, architecture, background, blue, building, built, business, city, concrete, construction, crane, design, development, engineering, equipment, estate, frame, growth, high, house, housing, industrial, industry, iron, machine, machinery, modern, occupation, office, outdoor, outdoors, real, scaffolding, silhouette, site, sky, skyscraper, steel, structure, summer, sun, sunrise, sunset, tall, technology, tower, urban, work, worker,