[RG911Team] This fact alone proves 9/11 was a false flag.The Twin Towers were designed with the lightest, thinnest steel on the top floors, and each lower section used thicker, heavier and stronger steel than the one above it. This made a progressive collapse IMPOSSIBLE.The idea that a thin, light steel beam would collapse and then crush thick, strong steel below it… and that would in turn crush the even thicker and stronger steel below it… all through the path of GREATEST resistance… all in les