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The World Trade Center site seen from the south side, from left, World Financial Center, Goldman Sachs, 1 WTC, 7 WTC, the postal building and the under-construction 4 WTC is seen August 22, 2011. The 9/11 Memorial is situated around the footprints of the original towers. (Ari Mintz/MCT)
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November 2001 - Messages for the firefighters written on a dusty window opposite the 9/11 site. (Tish Wells)
The view from World Financial Center eastward shows a revitalizing Ground Zero in New York City, August 8, 2011. (Ari Mintz/MCT)
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Developer Larry Silverstein assembled a team of some of the world's most renowned architects to resurrect Ground Zero in New York City. 4 WTC is directly behind him and at left, construction proceeds on 2 WTC. (Ari Mintz/MCT)
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At the World Trade Centere site, the footprint of the North Tower of the World Trade Center is part of the soon-to-be-completed 9/11 Memorial. Names of all 9/11 victims are engraved on sides of each footprint. The building for the museum is at center, with construction of 4 WTC behind. (Ari Mintz/MCT)
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World Financial Center, 1 World Trade Center, and 7 World Trade Center continue to be rebuilt at the World Trade Center site, August 11, 2011. (Ari Mintz/MCT)
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Longtime Lower Manhattanites Celeste Lee and Gerald Janssen survived 9/11. They watch sunset from their roofdeck near Ground Zero, August 8, 2011. (Ari Mintz/MCT)
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The new 7 World Trade Center, built on the site of one of the destroyed buildings, has a concrete core and a steel superstructure. The architects, Skidmore, Owings, & Merrill, exceeded the requirements of the Port Authority and the New York City building codes. (David Sundberg/Esto Photograph/MCT)
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Church goers attend Sunday morning service at St. Paul's Chapel, August 8, 2011, across the street from Ground Zero in New York City. (Ari Mintz/MCT)
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St. Paul's Chapel near Ground Zero, November 2001, with banners (Tish Wells)
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Rev. Clayton Crawley leads Sunday morning service at St. Paul's Chapel across the street from Ground Zero in New York City. (Ari Mintz/MCT)
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The view from Greenwich Street north to Ground Zero is reflected in a puddle, from left, World Financial Center buildings, Goldman Sachs, under-construction 1 WTC and 7 WTC, August 7, 2011. (Ari Mintz/MCT)
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