BD intersection is a Loaf of News & Technology, Science & Fiction, shopping & Entertainment & B$ in general. BDi is a semi-obscure blog for mature readers.
https://newyorkbefore.com https://bigmedium.com/ideas/nyc-grid-design.html
https://www.nytimes.com/2012/01/03/arts/design/manhattan-street-grid-at-museum-of-city-of-new-york.html
https://thegreatestgrid.mcny.org/greatest-grid/19th-century-development
https://thegreatestgrid.mcny.org/greatest-grid/the-underground-grid
