Mitsujō Kofun - Credit: Wikimedia Commons
The is a group of three Kofun period burial mounds located in the Nakajō-chūō neighborhood of the city of Higashihiroshima, Hiroshima Prefecture in the San'yō region of Japan. The cluster was collectively designated a National Historic Site in 1982 with the area under protection expanded in 2001. Archaeological excavations have been conducted in 1954 and from 1987 to 1991. Read more on Wikipedia
Source: en.wikipedia.org