Kinyakurumazuka Kofun
Japan
The Kinyakurumazuka Kofun is a Kofun period keyhole-shaped burial mound, located in the Miyanosaka neighborhood of the city of Hirakata, Osaka in the Kansai region of Japan. The tumulus was designated a National Historic Site of Japan in 1972 with the area under protection expanded in 2007.
Cemetery data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).