Keskmine GPS koordinaadid postiindeks 350-703: 36.601, 126.663

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videod linnad:
>> Hongseong-eup/홍성읍 350-703, Chungcheongnam-do/충남, Hongseong-gun/홍성군, Hongseonggineungdaehak/홍성기능대학, GPS koordinaadid: 36.60086,126.66333