3 ms·
IIUC, WTC7 just needed a long burn on floors 5-7 to weaken the weight transfer trusses. Once those give, you've got 30+ floors on their way down.
by anonAndOn 5y ago
IIUC, WTC7 just needed a long burn on floors 5-7 to weaken the weight transfer trusses. Once those give, you've got 30+ floors on their way down.