Tsukumo Shell Mound

Tsukumo Shell Mound - Credit: Wikimedia Commons

The is an archaeological site in the Nishioshima neighborhood of the city of Kasaoka, Okayama Prefecture, in the San'yō region of western Japan. It contains a Jōmon period shell midden, and was designated a National Historic Site in 1968. Read more on Wikipedia

type: ancient site
date from: Jōmon period

Source: en.wikipedia.org