Keskmine GPS koordinaadid postiindeks 336-745: 36.789, 126.922

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videod linnad:
>> Sinchang-myeon/신창면 336-745, Chungcheongnam-do/충남, Asan-si/아산시, Suncheonhyangdaehakgyo/순천향대학교, GPS koordinaadid: 36.78871,126.92183