Tsukiyama Kofun
Ōita-shi, Japan
The Tsukiyama Kofun is a Kofun period keyhole-shaped burial mound, located in the Saganoseki neighborhood of the city of Ōita on the island of Kyushu, Japan. The tumulus was designated a National Historic Site of Japan in 1932.
Monument data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).