Samuraizuka Kofun

Samuraizuka Kofun - Credit: Wikimedia Commons

The is a pair of Kofun period burial mounds located in the Yuzukami neighborhood of the city of Ōtawara in Tochigi Prefecture in the northern Kantō region of Japan. Both received protection as a National Historic Site in 1951. The neighborhood has many smaller kofun, including one keyhole-shaped tumulus, seven tumuli and one square-shaped tumulus, which are covered under an Ōtawara City Historic Site designation. Read more on Wikipedia

type: ancient site
date from: late 4th century AD

Source: en.wikipedia.org