Birdwatch Note Rating
2024-04-23 04:58:12 UTC - HELPFUL
Rated by Participant: 039BE7A7392479B76E45639D07694AA8DB2838A44B842C10A74C9DE9BD18D057
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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