Ключевые слова: abstract, architecture, background, blue, building, built, business, city, construct, constructing, construction, design, development, downtown, engineering, exterior, factory, frame, framework, futuristic, geometric, girder, hall, house, industrial, industry, iron, material, metal, modern, office, pattern, perspective, project, reflection, roof, site, sky, steel, steelwork, strength, structural, structure, technology, texture, truss, urban, wall, warehouse, window,