Coordinate GPS medie per codice postale 4218: 50.542, 5.108

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lista delle città :
>> Héron 4218, Wallonie, Liège, Huy, coordinate GPS: 50.55,5.0833
>> Héron Couthuin 4218, Wallonie, Liège, Huy, coordinate GPS: 50.5333,5.1333