The 1776-foot ‘statement’

September 16, 2001. (Photo: New York City Office of Emergency Management)

September 11, 2005 (Photo: Associated Press)

The first columns. December 19, 2006. (Photo: Associated Press)

September 10, 2007. (Photo: Associated Press)

September 11, 2009 (Photo: Getty Images)

March 25, 2010 (Photo: Getty Images)

September 11, 2010 (Photo: Getty Images)

April 30, 2012 (Photo: Getty Images)

May 10, 2013 (Photo: Associated Press)