Watanuki Kannonyama Kofun, Takasaki.

“The Watanuki Kannonyama Kofun is a Kofun period burial mound located in the Watanuki neighbourhood of the city of Takasaki, Gunma Prefecture in the northern Kantō region of Japan. The site was designated a National Historic Site of Japan in 1973. The site dates from the late sixth century, and many of the grave goods discovered during archaeological excavation were designated National Important Cultural Properties in 1994. In the year 2020, the collective status of 3346 artifacts from the tomb was raised to that of a National Treasure.”