ナショナルジオグラフィックさんのインスタグラム写真 - (ナショナルジオグラフィックInstagram)「Learn more at the link in bio. The astonishing discovery of four swords from nearly 2,000 years ago evokes ancient rebellions—and offers unprecedented opportunity for scientific investigation. These artifacts made of metal or organic materials like wood and leather rarely survive centuries of exposure to the elements—but the unique microclimate of what is now known as the Cave of Swords has preserved the iron blades intact with their sheaths, guards, and handles. Photograph by @paoloverzone」9月8日 2時15分