Ключевые слова: abstract, architecture, background, balcony, black, blue, brick, brick wall, building, business, city, cityscape, clear sky, cloud, copy space, design, emergency exit, escape, exit, exterior, facade, fire, fire escape, home, house, iron, ladder, metal, modern, new, new york city, old, outdoor, pattern, security, sky, stair, staircase, stairway, step, street, tower, up, urban, vertical, wall, white, window,