Ключевые слова: aerial, architecture, blue, build, building, business, city, civil, concept, concrete, construction, contractor, crane, development, engineer, engineering, equipment, estate, framework, ground, growth, high, home, house, industrial, industry, iron, labor, machine, metal, new, professional, progress, project, rise, safety, scaffolding, silhouette, site, sky, skyscraper, steel, structure, sunset, tall, top, urban, view, work, worker,