Uploaded March 2026 | Updated September 2026, 1 week ago

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Why is Philadelphia so gray, so dense, and so... square? To understand Philly’s unique "Concrete Block" layout, we have to go back to 1682 and a "Holy Experiment" that went slightly off the rails. From William Penn’s 17th-century fire-safety grid to a transit system held together by grit and duct tape, we’re diving into the DNA of one of America’s most walkable (and hardest to park in) cities.

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