Futatsuyama Kofun
Ōta-shi, Japan
The Futatsuyama Kofun is the name for a pair of Kofun period keyhole-shaped burial mounds, located in the Nitta-Tenra-cho neighborhood of the city of Ōta, Gunma in the Kantō region of Japan. The pair of tumuli was collectively designated a Gunma Prefecture Historic Site in 1948, with the area under protection expanded in 1984.
Cemetery data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).