西港塔

西港（西部港口）塔是法兰克福最新和最现代的高层建筑之一,它是进八城市和西港新区的重要节点。夺目的立面为它砸得了新兴地标的地位,卓然傲立于法兰克福的城市天际线上。三角形的玻璃窗上倒映着重重叠影,色彩与透明度不断地变换。塔楼的圆形截面在保证楼层面积最大化的同时,使立面面积达到最小（这里应用的是圆形的面积对周长的比率）。与此同时圆形内部的方形楼面板又使使用率达到最大。总楼层有80％的面积用于出租。

WESTHAFEN-TOWER

Westhaten （West harbour） Tower is one of the most recent and modern high rise buildings in Frankfurt, it marks one of the main entry paints to the cily as well as the new Westharbour quaffer. Its stoking fagade has already made it a new landmark on the skyine of Franktuff The triangular windows create a muititude of reflections, making it constantly change colour and transparency, The circular footprint of the tower makes maximum use of the tioor area while minimizing the area of the facade （this is due to the geometric ratio of area to circumference in a circle） whereas the square shaped flOOr plates inside the circle create an optimum in efficiency, About 80% of the gross floor area is to let.