螺旋楼梯的低机位秩序

Architectural photograph from the bottom of a terracotta spiral staircase looking upward through its open central well, repeating curved landings with thin brass handrails, warm indirect light, physically credible concrete textures and corrected geometry, 16:9 composition, no people or text.

建筑摄影，从陶土色螺旋楼梯底部仰望开放的中央井。重复弧形平台与细黄铜扶手，暖间接光，物理可信的混凝土纹理和校正几何，16:9构图，无人物文字。