Birdwatch Note Rating
2024-04-23 00:45:02 UTC - HELPFUL
Rated by Participant: 8EBF3716A55B2CE96FB34DB18630FD170DADFFA74771C3B8B66DCD5857048106
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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