A border post marks the boundary between Derby Line in the US state of Vermont and its twin town of Stanstead in the Canadian province of Quebec
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Stanstead Mayor Jody Stone is seen in the two towns' shared concert hall
American and Canadian flags are both displayed in their shared library
There is a US customs office in Derby Line, but Canadians aren't required to stop there to visit the library which straddles the border
It's a short drive to the Canadian customs office
A shared library, sports fields and fire stations. The American border town of Derby Line and its Canadian twin Stanstead have been living in …