Hayamajiri Dolmen Cluster
Karatsu, Japan
The Karatsu Matsuura Sites (Karatsu Matsuura funbo-gun) is a group of mostly Yayoi Period archaeological sites, located in the city of Karatsu, Saga Prefecture, Japan. The Hayamajiri Dolmen Cluster was designated a National Historic Site of Japan in 1966, and three more locations were added in 2014.
Monument data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).