Re: The reason NYC stopped building subways (1538086) | |||
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Re: The reason NYC stopped building subways |
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Posted by AlM on Thu Feb 13 16:20:11 2020, in response to Re: The reason NYC stopped building subways, posted by Catfish 44 on Thu Feb 13 15:52:23 2020. Galloping Gertie's towers were pretty slender compared to the Manhattan Bridge.Also, twisting forces from the deck are probably stronger than the impact of a plane that weighs a few hundred tons. |