Ключевые слова: abstract, architecture, ascending, background, building, cement, climbing, concept, concrete, construction, contemporary, contrast, design, detail, down, downwards, empty, entrance, exterior, foliage, geometric, granite, grey, industrial, lines, modern, nobody, outdoor, pattern, perspective, rise, round, shape, spiral, stair, staircase, stairway, step, stone, structure, up, upward, walking, walkway, wall, way,