Birdwatch Note Rating
2024-04-23 00:18:26 UTC - NOT_HELPFUL
Rated by Participant: 5997E182F762323CE951EBF386072D3AE1531BFCB77CF2DA478BC9454F66C2F1
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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