Izumi Koganezuka Kofun
Izumi, Japan
Izumi Koganezuka Kofun is a Kofun period keyhole-shaped burial mound, located in the Uedai neighborhood of the city of Izumi, Osaka in the Kansai region of Japan. The tumulus was designated a National Historic Site of Japan in 2008. It is noted for the bronze mirrors found within. These and other artifacts excavated from the tumulus are collectively designated a National Important Cultural Property.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).