Old Yonaguni Reservoir B — Yonaguni (58-29) Main Submerged-City Feature
A structure at Old Yonaguni Reservoir B — Yonaguni (58-29) · 🇯🇵 Japan
The structure
About Old Yonaguni Reservoir B — Yonaguni (58-29) Main Submerged-City Feature
Primary submerged-city feature at Old Yonaguni Reservoir B — Yonaguni (58-29) – central reservoir and associated settlement element with stratified deposits