Iha Shell Mound
Uruma, Japan
The Iha Shell Mound (Iha Kaizuka) is an archaeological site with a shell mound and traces of a settlement located in the Ishikawa of the city of Uruma, Okinawa Prefecture, Japan. It was designated a National Historic Site in 1972.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).