Birdwatch Note Rating
2024-04-23 16:34:06 UTC - HELPFUL
Rated by Participant: AC725658EE05F575D928A1D83FBDF093B99452946F727CF1E5B3838DCD6D9720
Participant Details
Original Note:
The highlighted ejecta on levels far below the collapsing levels is due to elevators with motors and cables destroyed, dropping to the base of shafts terminating on intermediate floors. The piston effect in these shafts created high-pressure jets of dust and debris: https://theconversation.com/how-the-terrifying-evacuations-from-the-twin-towers-on-9-11-helped-make-todays-skyscrapers-safer-167698
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