Birdwatch Note Rating
2024-04-23 09:09:36 UTC - HELPFUL
Rated by Participant: 11DBFA12D84EBA53E8704D220A43A2F49441FF0DEAC3FB244A06AB44DFE5DFDE
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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