Ключевые слова: abstract, architecture, backgrounds, bank, belgrade, blue, business, centar, city, cloud, cloudscape, construction, design, exterior, finance, flag, flat, floor, form, glass, head, headquarter, high, interest, level, life, line, mirror, modern, money, nbs, office, pattern, rectangle, reflection, section, serbia, sky, skyscraper, steel, structure, top, up, urban, window,