Ключевые слова: architectural, architecture, background, blank, building, business, close, closeup, construction, construction site, corrugated, design, detail, ecological, empty, engineering, equipment, estate, exterior, facade, factory, frame, front, gray, home, horizontal, industrial, industry, insulation, ipn, iron constructions, material, metal, modern, panel, sandwich, steel, steel frames, structure, technology, urban, wall, work,