If you're on the tallest mansion tower, and look down towards the circulartower, you should spot a rectangular recess between the slopes of the roof.
如果你站在最高的主楼塔上，对着圆形塔向下看，你会发现一个位于屋顶斜坡间的矩形的凹陷。
2
The tower consists of five circular steel rings, approximately 30 feet in diameter.
塔由五个直径大约30ft的圆形钢环组成。
3
Stop bolt is designed to fix the inner parts on the cover of the tower. This design has not only little effect on the freedom of the inner axes, but also prevent the rotation of circular rotation.