The NYPD said the balloon would remain aloft for about nine hours Sunday in lower Manhattan and more than 13 hours Monday in Midtown.
Police said the balloon will be about 800 feet in the air as it collects data for a private architecture firm conducting height surveys of Manhattan buildings.
— nydailynews.com
1 Comment
I wonder if this is related to the supertalls. Maybe a firm wants to build higher and they are collecting data to try to prove a precedent that most buildings are actually higher than they were permitted for? So little information in that article!
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