[Aomori Prefecture] Japan's largest Jomon ruins "Sannai Maruyama Ruins" located in the northernmost part of Honshu
Sannai Maruyama Ruins (Sannai Maruyama Ruins) is an ancient ruin located in Oaza Sannai Maruyama, Aomori City, Aomori Prefecture, and was built from the early Jomon period to the end of the middle Jomon period (...