Fuchū-Yamanouchi Tile Kiln ruins - Credit: Wikimedia Commons
is an archaeological site consisting of the remains of a Nara period kiln located in what is now the Fuchu neighborhood of the city of Sakaide and the Kokubunji neighborhood of the city of Takamatsu, Kagawa Prefecture on the island of Shikoku, Japan. It has been protected by the central government as a National Historic Site since 1922. Read more on Wikipedia
Source: en.wikipedia.org