Dubious twin cities

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An IP user added several twin cities to the list here (and other city pages). I see no sources to validate them and I'm wondering if these changes need to be reverted. Does anyone have any indication that these changes are valid? Coastside (talk) 15:51, 25 January 2019 (UTC)Reply

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SilvaSapientia (talk) 19:36, 3 August 2023 (UTC)Reply