No city is complete without walls: they define it and protect it from sprawling uselessly over the surrounding countryside. Now we can add one more qualification to the endless resume of city walls: they offer good protection against hurricanes in lieu of hills. #GoodUrbanism
The founders of San Juan knew what they were doing. #GoodUrbanism
Another fun thing our ancestors understood about how to build hurricane and storm resistant towns and cities: the value of organic street layouts. Grids enhance winds. Medieval zig zag and jumbled streets subdue them.