Keskmine GPS koordinaadid postiindeks 690-846: 33.5, 126.522

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videod linnad:
>> Samdo 1(il)-dong/삼도1동 690-846, Jeju-do/제주, Jeju-si/제주시, 535-537/535-537, GPS koordinaadid: 33.50023,126.52231
>> Samdo 1(il)-dong/삼도1동 690-846, Jeju-do/제주, Jeju-si/제주시, 545-559/545-559, GPS koordinaadid: 33.50026,126.52234
>> Samdo 1(il)-dong/삼도1동 690-846, Jeju-do/제주, Jeju-si/제주시, 570-584/570-584, GPS koordinaadid: 33.50027,126.52235