Muroya Cave

Muroya Cave - Credit: Wikimedia Commons

is an archaeological site consisting of a Jōmon period cave dwelling in the Kamiya neighborhood of the town of Aga, Niigata Prefecture in the Hokuriku region of Japan. The site was designated a National Historic Site of Japan in 1980. Read more on Wikipedia

type: ancient site
date from: Jōmon period

Source: en.wikipedia.org