When archeologists in Nara unearthed what could be the world's longest sword and a unique shield-shaped mirror, they were stunned — and excited about the clues it had to offer about ancient Japan. https://www.japantimes.co.jp/news/2024/05/09/japan/history/nara-ancient-tomb/ #japan #history #archaeology #nara #kofun #tomiomaruyama #kofunperiod