For strength and lightness, the dome structure used five rings of coffers, each of diminishing size, which imparts a dramatic forced perspective to the design.
对于强度和轻度，圆顶的结构 使用了花格镶板的五个圆环， 每个的大小递减， 因此为设计赋予了一个 引人注目的强迫视图。