4. Cayan Tower, Dubai, UAE This building's twisted shape reduces wind forces on the tower. Each floor is rotated by 1.2 degrees to achieve the full 90-degree spiral, creating the shape of a helix. Used mainly as residential property, it is the world's tallest tower featuring a 90-degree twist.
第四名:阿聯(lián)酋迪拜卡延塔。此建筑的螺旋設(shè)計(jì)減小風(fēng)的阻力。每層旋轉(zhuǎn)1.2度,最終達(dá)到90度的螺旋。主要是住宅地產(chǎn),它是世界最高樓,以其90度螺旋而著名。