The Romans were noted for their monumental stairs. The modern use of steel and reinforced concrete has made possible the curves and sweeps of contemporary design.

• 古罗马人也以他们的宏伟阶梯闻名。20世纪应用钢材和钢筋混凝土作成各种形状的楼梯,具有大胆的曲线和奇异的轮廓,是现代建筑设计中的重要特征。