Shinpōinyama Kofun group - Credit: Wikimedia Commons
The is cluster of kofun burial mounds dating from the late Yayoi to the early Kofun period located in the Mukasatakenouchi neighborhood of the city of Iwata, Shizuoka in the Tōkai region of Japan. The site was designated a National Historic Site of Japan in 1987. Read more on Wikipedia
Source: en.wikipedia.org