A little later during the Tumulus period, it is said that a garden was made around a stone that symbolized Shumisen mountain which was thought to be the center of the world in Buddhism since ancient times.
この少し後の古墳時代には、庭園は古代から仏教世界の中心とされてきた須弥山を表す石の山のまわりに営まれているとされる。