Nahh, they're not out of style yet but they will be later on. I think the new kind of twisting buildings will look more like the Shanghai Center with smooth facades rather than sharp edges. And yes, the CS isn't the first twisting building to be built and won't be the last. The first was Turning Torso in Sweden.
__________________
...the greatness of victor is equally proportionate to the skill and obduracy of foe...
-Kostof-
|