Birdwatch Note Rating
2024-04-25 17:41:40 UTC - NOT_HELPFUL
Rated by Participant: F6D5F82B74B0873BDED9E690A33409ADDE35BFCCE9DC4397F7E7BD3197E3EE56
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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