Keskmine GPS koordinaadid postiindeks wd4: 51.709, -0.471

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videod linnad:
>> Kings Langley WD4, Hertfordshire, England, GPS koordinaadid: 51.7139,-0.4504
>> Chipperfield WD4, Hertfordshire, England, GPS koordinaadid: 51.7039,-0.4908
>> Huntonbridge WD4, Hertfordshire, England, GPS koordinaadid: 51.7089,-0.4706
>> Bucks Hill WD4, Hertfordshire, England, GPS koordinaadid: 51.7089,-0.4706