The roof is formed from a double concrete shell and is supported by retaining walls spaced 14.5 metres from each other, leaving the interior column free.
屋顶是用双层混凝土壳组成，由间隔14.5米的墙支撑，内部空间并没有柱子结构。
2
Said column body possesses a column base face, a column side face and a cylindrical bottom edge spaced from said column base face.