Keskmine GPS koordinaadid postiindeks bt57: 55.218, -6.5

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videod linnad:
>> Dunseverick BT57, County Antrim, Northern Ireland, GPS koordinaadid: 55.2335,-6.4361
>> Castlecatt BT57, County Antrim, Northern Ireland, GPS koordinaadid: 55.2181,-6.4997
>> Portballintrae BT57, County Antrim, Northern Ireland, GPS koordinaadid: 55.2158,-6.5439
>> Bushmills BT57, County Antrim, Northern Ireland, GPS koordinaadid: 55.2049,-6.5192