Kido Tile Kiln ruins - Credit: Wikimedia Commons
is an archaeological site with the remains of a late Nara period, early Heian period kiln for roof tile production located in what is now the city of Ōsaki, Miyagi Prefecture in the Tōhoku region of northern Japan. It has been protected by the central government as a National Historic Site since 1976. Read more on Wikipedia
Source: en.wikipedia.org