Build it wider and taller, with an automatic freeze-thing system that starts blowing out whenever there is a breach in the outer walls of the building. You know what I mean?
Stuff that comes out and cools down (or at least attempts to cool down) burning jet fuel so there's less of a chance for tower collapse
Stuff that comes out and cools down (or at least attempts to cool down) burning jet fuel so there's less of a chance for tower collapse