Ключевые слова: abstract, architectural, architecture, art, background, building, color, concrete, construction, contemporary, design, door, entrance, evacuation, exit, external, fire, grass, hall, house, iron, metal, modern, old, orange, outdoor, outside, pattern, property, railing, route, safe, safety, scene, shape, sidewalk, sporting, sports, stair, staircase, stairs, stairway, stairwell, steel, step, texture, tree, up, vintage, wall,