Yamahata Cave Tomb Cluster
Osaki, Japan
The Yamahata Cave Tomb Cluster (Yamahata Yokoana-gun) is an archaeological site with a cluster of 6th century AD yokoanabo located in what is now the city of Ōsaki, Miyagi Prefecture in the Tōhoku region of northern Japan. The site has been protected by the central government as a National Historic Site since 1973.
Monument data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).