Akōbō Kofun Group - Credit: Wikimedia Commons
The is a large group of circular kofun burial mounds located in the town of Oirase, in Kamikita District of Aomori Prefecture in the far northern Tōhoku region of Japan. It has protected by the central government as a National Historic Site since July 29, 2007 .Akōbō Kofun Cluster. Agency for Cultural Affairs Read more on Wikipedia
Source: en.wikipedia.org