https://www.youtube.com/watch?v=QjyGj5mdLRc

recap

118 Witnesses: The Firefighters' Testimony to Explosions in the Twin Towers.

https://www.ae911truth.org/evidence/technical-articles/articles-in-the-journal-of-9-11-studies/112-118-witnesses-the-firefighters-testimony-to-explosions-in-the-twin-towers