Formed like a misshapen square doughnut, the building is full of technical challenges, with two towers leaning inward at sharp inclines that will be joined to form one continuous loop.

• 从技术上讲，这座建筑存在很大难度。整幢建筑的外形就像是一只被扭曲的正方形多纳圈饼，两座竖立的塔楼向内倾斜，倾角很大；塔楼之间被横向的结构连接起来，总体形成一个闭合的环。