Birdwatch Note Rating
2024-04-23 00:11:49 UTC - NOT_HELPFUL
Rated by Participant: 3D6F6FAD6141A8CD7253090EFA5F500A8455477445F710B215ED5D9BE66E0F6D
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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