Forming Function podcast

21. Living on the Edge

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Why are city borders shaped so weird? Brian tells Paul about the unusual shapes of cities and the four reasons they look the way that they do. He also breaks down why Detroit seems to have a border that is so different from other North American cities. It looks distinctive and recognizable instead of the amoeba shape that other cities have. 

The story will take you through tales of historical legacies, legal quirks, and how cities grow by annexation. We’ll also look at aspects of Dallas, Washington DC, and Phoenix to see what makes those borders so unique. Paul also explains what 313 Day is and tells us about the first ever telephone concert. 


Produced and reported by Brian Moore.

Co-hosted by Paul Corsi. 

Audio recording and editing by Julia Sikora.

Thank you to special Guest Alex Hill!


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Forming Function is supported in part by grant funding from Michigan Architectural Foundation.

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