Nagatsuka Kofun
Numazu, Japan · built 600
Nagatsuka Kofun is a mid-Kofun period (early 6th century) keyhole-shaped burial mound, located in the Higashisawada-Nagatsuka neighborhood of the city of Numazu, Shizuoka in the Tōkai region of Japan. The tumulus was designated a Shizuoka Prefecture Historic Site in 1999.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).