New York's ground zero through time

Published On: Aug 23 2011 04:09:26 AM CDT   Updated On: Nov 03 2014 09:20:36 AM 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 2001 9-11 Attack
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Sean Adair/Reuters

United Flight 175 flies toward the south tower of the World Trade Center in New York as the north tower burns after being hit by American Flight 11 a short time earlier, Sept. 11, 2001.

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