🇯🇵 Japan · Ancient village
Futatsumori Shell Midden
Early to Middle Jomon 4500–2500 BCE (Jomon 2–4) · Early–Middle Jomon (Tōhoku coastal)
Early–Middle Jomon coastal shell midden and settlement (c.4500–2500 BCE) at Shichinohe on the Lake Ogawara plain — massive shell mound 120×80 m (Late Jomon layers 3 m thick) with 40+ pit dwellings,…