Urama_Chausuyama_Kofun
Urama Chausuyama Kofun (浦間茶臼山古墳) is a Kofun period burial mound located in the Urama neighborhood of Higashi-ku, Okayama, Okayama Prefecture, in the San'yō region of Japan. The tumulus was designated a National Historic Site of Japan in 1974.[1] It is believed to have been built at the end of the 3rd century in the early Kofun period. It is one of the oldest large keyhole-shaped burial mounds in ancient Kingdom of Kibi.