The Tiny Wire Around Manhattan
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The wire is called an "eruv". There are many articles about it that won't make you feel like you have been handcuffed to a tiny desk in a kindergarten.
https://www.atlasobscura.com/articles/eruv-manhattan-invisib...
More than 200 cities around the world are partially encircled by an eruv.
https://www.npr.org/2019/05/13/721551785/a-fishing-line-enci...
Status page here.
Yep, as someone in their mid 50's I find this style of narration and the visuals utterly annoying and condescending. Sadly it's all the rage with all the attention deficit kids. I'm clearly not their audience.