Birdwatch Note Rating
2024-04-23 18:57:59 UTC - HELPFUL
Rated by Participant: E90182210B2CFDFFFA6128FF7258B0F6EEA84B9EDEE6499AFD244558843A3619
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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