Shinobugaoka Kofun, sekishitsu.jpg
Saigen Jiro
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忍岡古墳 竪穴式石室覆屋
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Shinobugaoka Kofun, sekishitsu, Shinobugaoka Kofun
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Shinobuoka Kofun: A pit-type stone chamber covered with agate
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ja
忍岡古墳、石室、忍岡古墳
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