Kakinoshima site - Credit: Wikimedia Commons
The is an archaeological site consisting of a series of large shell middens and the remains of an adjacent settlement from the Jōmon period. The site is in what is now part of the city of Hakodate in Oshima Subprefecture on the island of Hokkaido in northern Japan. It has been protected by the central government as a Historic Site since 7 February 2011. The site covers an area of . Read more on Wikipedia
Source: en.wikipedia.org