Posted Oct 22, 2019, 3:15 AM
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Paradise Island
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Join Date: Jan 2006
Location: Minneapolis
Posts: 2,444
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St Paul and Oakland both started as independent urban cores and were cities in their own right before they became subsumed into the metro of their larger neighbor. I think that is how it has to work to be a real twin city. I can't think any giant suburbs that grew into that role
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