Keskmine GPS koordinaadid postiindeks 339-814: 36.579, 127.281

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videod linnad:
>> Seo-myeon/서면 339-814, Chungcheongnam-do/충남, Yeongi-gun/연기군, Seongjeri/성제리, GPS koordinaadid: 36.57927,127.28116
>> Seo-myeon/서면 339-814, Chungcheongnam-do/충남, Yeongi-gun/연기군, Ssangjeonri/쌍전리, GPS koordinaadid: 36.57921,127.2811
>> Seo-myeon/서면 339-814, Chungcheongnam-do/충남, Yeongi-gun/연기군, Wolhari/월하리, GPS koordinaadid: 36.57929,127.28118