What caused WTC Building 7 to collapse? - Prof Simon investigates.
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YouTubeProf Simon - Science Filmmaker
What caused WTC Building 7 to collapse? - Prof Simon investigates.
WATCH THE UPDATE....New information for YOU the viewers. I'm trying to answer HOW this happened not WHY. People asked me to look at the collapse of World Trade Center Building 7. Interesting data is available that shows clearly how the building broke. We also look at the aircraft that hit the Pentagon. Planes are strong but only have a thin ...
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