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Atamadai Shell Mound

Japan

The Atamadai Shell Midden (Atamadai kaizuka) is an archaeological site in the Atamadai neighborhood of the city of Katori, Chiba Prefecture, in the Kantō region of Japan containing a Jōmon period shell midden. It was designated a National Historic Site of Japan in 1968.

Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).

Other archaeological sites in Japan