Birdwatch Note Rating
2024-04-23 19:47:16 UTC - HELPFUL
Rated by Participant: 9CB6E3FAE1CF34D5244C80E7A49C72979403C4E371D75A5963CD9A00F71C8506
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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