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The remains of the ancient kingdom of Goguryeo. Goguryeo was one of Three Kingdoms of Korea. These sites include including Wunu Mountain City, Guonei City and Wandu Mountain City; fourteen imperial tombs; twenty-six noble tombs; a General's Tomb; and the monument to the nineteenth Emperor of the Koguryo Kingdom, which are now UNESCO World Heritage Sites. Most of these are around Ji'an.
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