Jomon Sannai-Maruyama Large Pit House 23 — Hydraulic/Cistern
A structure at Jomon Sannai-Maruyama Large Pit House 23 · 🇯🇵 Japan
The structure
About Jomon Sannai-Maruyama Large Pit House 23 — Hydraulic/Cistern
Hydraulic feature — cistern/reservoir or rock-cut channel associated with site