Onizuka Kofun (Kunisaki)
Japan
Onizuka Kofun is a Kofun period keyhole-shaped burial mound, located in the Kunimi-cho neighborhood of the city of Kunisaki, Ōita, on the island of Kyushu Japan. The tumulus was designated a National Historic Site of Japan in 1957.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).