Skyscraper at Trade Center Rises From the Inside Out

If you think Santiago Calatrava’s transportation hub and shopping mall looks like a bird (or a stegosaurus), you might find 3 World Trade Center next door reminding you of an upside-down Popsicle, with the stick at the top.

Its surprising profile — which is only temporary — results from a construction technique rarely used in New York office towers. The concrete core of the 69-story skyscraper is rising ahead of the steel columns and beams around its perimeter, sometimes 20 or more floors ahead.  http://www.nytimes.com/2016/05/26/nyregion/skyscraper-at-trade-center-rises-from-the-inside-out.html?&contentId=&mediaId=&referrer=http%3A%2F%2Fwww.nytimes.com%2Fsection%2Fnyregion%3Faction%3Dclick%26pgtype%3DHomepage%26region%3DTopBar%26module%3DHPMiniNav%26contentCollection%3DN.Y.%26WT.nav%3Dpage&priority=true&action=click&contentCollection=N.Y.%20%2F%20Region&pgtype=imageslideshow&module=RelatedArticleList&region=CaptionArea&version=SlideCard-1

Article courtesy of The New York Times by Bryan Thomas