Keskmine GPS koordinaadid postiindeks 350-900: 36.509, 126.631
videod linnad:
>> Gwangcheon-eup/광천읍 350-900, Chungcheongnam-do/충남, Hongseong-gun/홍성군, GPS koordinaadid: 36.50929,126.63101
videod linnad:
>> Gwangcheon-eup/광천읍 350-900, Chungcheongnam-do/충남, Hongseong-gun/홍성군, GPS koordinaadid: 36.50929,126.63101