Omori Shell Mounds
Sannō, Japan
The Ōmori Shell Mounds (, Ōmori kaizuka) was an archaeological site on the border of Shinagawa, Tokyo and Ōta, Tokyo, in the Kantō region of Japan containing a late Jōmon period shell midden and settlement ruin. The site was designated a National Historic Site of Japan in 1955, with the area under protection extended in 1986.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).