Keywords: Koujindani Remains 03.JPG Kojindani remains discovery scenery of bronze materials from information board photo by Reggaeman 2006-10-13 by Reggaeman PD ja 荒神谷遺跡 銅矛 銅鐸の発見風景 Ancient swords of Japan Koujindani Remains Dotaku National Treasures of Japan archaeological materials |