Omonawa Shell Mound
Isen, Japan
The Omonawa Midden (, Omonawa kaizuka) is an archaeological site in the Omonawa neighborhood of the town of Isen, Kagoshima on the island of Tokunoshima, Japan. The midden was designated a National Historic Site of Japan in 2017.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).