Tanda Kofun
Japan
The Tanda Kofun is a Kofun period burial mound, located in the Nishisho neighborhood of the town of Higashimiyoshi, Tokushima on the island of Shikoku in Japan. It was designated a National Historic Site of Japan in 1977.
Monument data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).