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Ralf's Postcrossing: Portugal-Alentejo-Évora, UNESCO-Weltkulturerbe
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Ralf's Postcrossing: Portugal-Lissabon
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Ralf's Postcrossing: Portugal-Lissabon-Alfama
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Ralf's Postcrossing: Portugal-Madeira-Funchal, ES-270988
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Ralf's Postcrossing: Portugal-Amarante-2016-11-23-S1