Ключевые слова: abstract, architecture, background, blue, building, business, center, city, commercial, concept, construction, contemporary, corporate, design, downtown, exterior, facade, finance, fragment, frame, geometric, glass, grid, high, hitech, mirror, modern, modern architecture, office, pattern, perspective, reflect, reflection, sky, skyscraper, steel, structure, texture, tower, transparent, urban, view, wall, window, windows,