Tsukayama Kofun (Yabu), 3D-B.jpg
Saigen Jiro
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塚山古墳 (養父市) 石室俯瞰図
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Tsukayama Kofun (Yabu), 3D B, Bird's-eye view of Interiors of Kofun, Tsukayama Kofun (Yabu)
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Tsukayama-kofun Tumulus: Sekishitsu-denzu
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塚山古墳
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