The concrete on World Trade Center's footing can withstand 14,000 psi,the highest ever poured in New York.
World Trade Center May 2008
World Trade Center May 2008
Photo Derek7272World Trade Center Related Information
World Trade Center Progress Benchmark Projects Future Projects
World Trade Center Additional Photos
World Trade Center Photos GalleryWorld Trade Center Photos GalleryGround Zero Pictures from September 2005
Suggested Reading
September 11th, 2001 -- The Terrorist Attacks of September 11World Trade Center Observatory at NightThe Sphere in the Plaza
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