The Citicorp tower design flaw that could have wiped out the skyscraper (2014)http://www.slate.com/blogs/the_eye/2014/04/17/the_citicorp_tower_design_flaw_that_could_have_wiped_out_the_skyscraper.html by fovc • 7 years ago 1 0 7 years agoSLslate.com