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Template:Graph:Saint Petersburg Metro expansion

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 //
 // ATTENTION: This code is maintained at https://en.wikipedia.org/wiki/Template:Graph:Saint_Petersburg_Metro_expansion
 //            Please do not modify it anywhere else, as it may get copied and override your changes.
 //            Suggestions can be made at https://en.wikipedia.org/wiki/Template_talk:Graph:Saint_Petersburg_Metro_expansion
 //
 //            This graph uses data from https://en.wikipedia.org/wiki/Template:Graph:Saint_Petersburg_Metro_expansion/Data-json
 //

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