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This article was originally published on Common Edge. New Orleans was designed by its early settlers in 1721 as a Cartesian grid. You know it as the famous French Quarter or Vieux Carré. Such grids ...

Manhattan’s gridiron street plan, which celebrates its 200th birthday this week, has been praised by Rem Koolhaas as “the most courageous act of prediction in Western civilization.” John Updike ...