Gongenyama Caves

Gongenyama Caves - Credit: Wikimedia Commons

The is an archaeological site consisting of a cave dwelling in the Mihonoseki-cho neighborhood of the city of Matsue, Shimane Prefecture in the San'in region of Japan. The site was designated a National Historic Site of Japan in 1942. Read more on Wikipedia

type: ancient site
date from: Jōmon period

Source: en.wikipedia.org