🇯🇵 Japan · Megalith
Omori Katsuyama Stone Circle
Late Jomon (2000–1000 BCE) · Late Jomon (Tsugaru–Iwaki region)
Late Jomon double stone circle (c.2000–1500 BCE) at the foot of Mt. Iwaki near Hirosaki, Aomori — two concentric andesite rings 48 m and 29 m diameter, with 77 standing stones up to 1.5 m high…