Kadota Shell Mound

Kadota Shell Mound - Credit: Wikimedia Commons

The is an archaeological site in the Oku neighborhood of the city of Setouchi, Okayama Prefecture, in the San'yō region of western Japan. It contains a shell midden and the traces of a prehistoric settlement, and was designated a National Historic Site of Japan in 1985. Read more on Wikipedia

type: ancient site
date from: Yayoi period

Source: en.wikipedia.org