🇰🇷 South Korea · Fortress
Achasanseong
Achasanseong (Korean: 아차산성; Hanja: 阿且山城) is a Three Kingdoms-era earthen Korean fortress on the mountain Achasan, in Seoul, South Korea.
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🇰🇷 South Korea · Fortress
Achasanseong (Korean: 아차산성; Hanja: 阿且山城) is a Three Kingdoms-era earthen Korean fortress on the mountain Achasan, in Seoul, South Korea.