Ключевые слова: architectural, architecture, art, background, black, build, building, city, construction, escape, exit, exterior, facade, factory, fire, framework, handrail, high, industrial, industry, iron, metal, metal stairs, metallic, metalwork, modern, outdoor, outdoors, outside, railing, security, shadows, shape, snow, stair, staircase, stairs, stairway, steel, steel constructions, steel fabrication, steps, street, structure, urban, wall, window frame, winter,