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The PBS special did a good job of explaining the difference between the towers construction and these other buildings conspiracy theorists like to point to. Most steel buildings have a web of steel like this...
The towers had most of the steel in this web on its skin to save office space. Like this...
Note: What's missing from the above photo are the core columns but they are not needed to show the difference in building construction. Conspiracy theorists will be quick to point out this photo doesn't show the core columns but this isn't here to show how many stick figures someone can create. It's here to show how the building had a vastly different design than the average building. If you're a conspiracy theorist just imagine your 47 box columns in the core. (The dark area in the center) The building will still be built differently, box columns in this image or not.
www.pbs.org...