Timothy Speed Levitch on New York City Published by David Zweig on March 1, 2014 Timothy “Speed” Levitch on the folly of the New York City grid system.
Secret Engineering Crisis at the Citicorp Building Published by danreitz on February 25, 2014 [Via Building Big] Over the span of two decades the CitiCorp Building in Manhattan had secret repairs made to its structure. Without them the skyscraper may have toppled.