Ключевые слова: abstract, aluminium, architectural, architecture, background, building, business, city, cladding, closeup, composite, construction, contemporary, design, detail, development, doubleskin, engineering, estate, exterior, facade, filter, front, futuristic, grey, hinged, industry, material, metal, metallic, modern, nonrestraining, object, outdoor, panel, pattern, perspective, sheet, silver, sky, skyscraper, steel, structure, surface, texture, triangle, urban, vertical, wall, work,