Dice, mahjong precursor cards found in 1281 Mongol invasion shipwreck off Nagasaki Pref. - 毎日新聞
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Dice, mahjong precursor cards found in 1281 Mongol invasion shipwreck off Nagasaki Pref. 毎日新聞
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https://mainichi.jp/english/articles/20261104/p2a/00m/0na/030000c
