I know that there is no way a lightweight airplane made of hollow aluminum could ever slice through the thick steel beams of the WTC buildings.
Yet, there are very convincing videos of that happening.
So what really happened?
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The planes were photoshopped.
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The planes were not passenger planes but specially made aircraft.
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The buildings had some steel beams strategically removed in advance.
I know some of you have studied this a lot. What really happened?
I've always liked the documentary, "Loose Change, Secend Edition" for possible explanations of how it was done. Link is to Final Cut version: https://www.youtube.com/watch?v=xEZAXFbAnbA