But I will humor you and point out that the person in the video is just plain incorrect when he says there were no sounds of explosions, or evidence of explosive nanothermite found. There were numerous eyewitness reports and multiple recordings of explosions, and nanothermite was in fact found.
Eyewitness report from Michael Hess who was trapped in WTC7 on the eighth floor after an explosion.
Here is a series of videos that recorded explosions
Here is interview with the team of scientists who analyzed the nanothermite:
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