Ключевые слова: abstract, architecture, art, background, building, circle, circular, climb, climbing, construction, corkscrew, curve, design, down, geometric, handrail, high, home, indoors, infinity, inside, interior, ladder, light, museum, old, perspective, railing, rotate, round, screw, shape, snail, spiral, stair, staircase, stairs, stairway, step, structure, swirl, tall, tower, turn, twist, up, way, white, winding,