9/11/01-- BLUE VS ZI and ZO burning towers. Building water supply tanks in FG. SOUND: radio or TV on with cameramen & others talking & sirens blaring.

9/11/01-- MS WTC Towers on fire; ZO as helicopter approaches, hovers, then flies away; building water supply tanks on roofs in FG. Tower 2 collapses w/ shattered glass & debris. Cloud of white smoke rises from collapse.

Bagpipers march and perform up 5th Ave in the 2012 St. Patrick's Day Parade St. Patrick's Day Parade on March 18, 2012 in New York, New York (Footage by Getty Images)

Jennifer Coolidge at American Heart Association's Hands-Only CPR Campaign Launch at Grace Building on June 05, 2012 in New York, New York (Footage by WireImage Video/Getty Images)

INTERVIEW: Danielle Cortes DeVito on how to properly save a life at American Heart Association's Hands-Only CPR Campaign Launch at Grace Building on June 05, 2012 in New York, New York (Footage by WireImage Video/Getty Images)

ATMOSPHERE: CPR drills at American Heart Association's Hands-Only CPR Campaign Launch at Grace Building on June 05, 2012 in New York, New York (Footage by WireImage Video/Getty Images)

INTERVIEW: Chris and Debra Bader at American Heart Association's Hands-Only CPR Campaign Launch at Grace Building on June 05, 2012 in New York, New York (Footage by WireImage Video/Getty Images)

ATMOSPHERE: Disco Dancers at American Heart Association's Hands-Only CPR Campaign Launch at Grace Building on June 05, 2012 in New York, New York (Footage by WireImage Video/Getty Images)

Tommy Watson at American Heart Association's Hands-Only CPR Campaign Launch at Grace Building on June 05, 2012 in New York, New York (Footage by WireImage Video/Getty Images)

Rachel Roy at the 2012 CFDA Fashion Awards Rachel Roy at the 2012 CFDA Fashion Awards on June 04, 2012 in New York, New York (Footage by WireImage Video/Getty Images)

Kelly Rutherford at NY Special Screening of 'Farewell, My Queen' at MOMA on July 09, 2012 in New York, New York (Footage by WireImage Video/Getty Images)

Kelly Rutherford at Perrier-Jouet Unveils And Celebrates Michael Kalish Belle Epoque Sculpture on June 11, 2012 in New York, New York (Footage by WireImage Video/Getty Images)

9/11/2001-- MS upper levels of WTC towers on fire, lots of dark smoke, after both planes hit Towers 1 & 2. Shot from Manhattan rooftop.

Models walking runway at Crest 3D White Presents Art Garde Designers at The Box at Lincoln Center on 02/09/2012 in New York, NY, United States. (Footage by WireImage Video/Getty Images Entertainment Video)

Models walking runway at Crest 3D White Presents Art Garde Designers at The Box at Lincoln Center on 02/09/2012 in New York, NY, United States. (Footage by WireImage Video/Getty Images Entertainment Video)

Models walking runway at Crest 3D White Presents Art Garde Designers at The Box at Lincoln Center on 02/09/2012 in New York, NY, United States. (Footage by WireImage Video/Getty Images Entertainment Video)