Ключевые слова: abstract, architecture, background, black, building, concrete, construction, dark, darkness, descent, design, down, downstairs, empty, geometric, gothic, grunge, height, high, interior, light, long, moody, noir, pattern, perspective, railing, remote, shadow, shapes, spiral, squares, stair, staircase, stairs, stairway, stairwell, steps, structure, symmetrical, upstairs, urban, wall, white,