Adaka-Kurobashi Shell Mounds
Kumamoto, Japan
The Adaka-Kurobashi Shell Midden (Adaka-Kurobashi kaizuka) is an archaeological site in what is now the Jonan neighborhood of the city of Kumamoto, Kumamoto Prefecture, Japan with a pair of late Jōmon period shell middens. The site was designated a National Historic Site in 1980 by the Japanese government.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).