
thumb|Daisen Kofun, the largest of all kofun, one of many tumuli in the [[Mozu kofungun, Sakai, Osaka Prefecture (5th century)]] are megalithic tombs or tumuli in Northeast Asia. Kofun were mainly constructed in the Japanese archipelago between the middle of the 3rd century to the early 7th century AD.
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60 mapped locations
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).