| In the early fifth century large keyhole-shaped mounds appeared; these Kofun were similar in size to the Obo class (tomb of the King or Emperor) mounds, located upon the Kawachi Plain from within the regions of the Nara Basin. |
5世紀の初頭、王墓クラスの大型前方後円墳が奈良盆地から河内平野に移った。 |