曲线楼梯与扶手：结构即装饰

Design a stair hall in the manner of Hsiu Tse-lan where a sweeping cantilevered concrete stair curves through a tall space and its own structural profile, handrail and soffit provide all the ornament the room needs. Compose a broad curved stair with a solid rendered balustrade and a polished terrazzo tread, the underside sweeping in one smooth surface, a tall arched window throwing light across the curve, patterned terrazzo flooring, a period brass handrail, warm afternoon daylight, wide upward view, 28mm lens, interior photography, ultra photorealistic, 8K