Ключевые слова: abstract, architecture, backdrop, background, black, blue, building, business, city, clean, color, colorful, construction, decoration, design, element, empty, exterior, geometric, geometry, home, house, industry, light, line, metal, modern, nobody, office, orange, outdoor, panel, parallel, pattern, repetition, roof, shadow, simple, sky, street, stripe, striped, structure, surface, texture, textured, urban, vertical, wall, without people,