New York's ground zero through time

Published On: Aug 23 2011 04:09:26 AM CDT   Updated On: Nov 30 2014 01:26:35 PM CST

One World Trade Center is officially open for business. Take a look at the World Trade Center site through time, from the construction of the Twin Towers to the opening of the new centerpiece on the site.

WTC 2009 Preview Site
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Mario Tama/Getty Images

Visitors view a model of the World Trade Center site on the opening day of the 9/11 Memorial Preview Site near the World Trade Center Aug.26, 2009, in New York City. The site provides the public with an opportunity to learn about the Sept. 11, 2001, terrorist attacks and the National September 11 Memorial and Museum.

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