Old Yonaguni Platform II — Yonaguni (58-07) Main Submerged-City Feature
A structure at Old Yonaguni Platform II — Yonaguni (58-07) · 🇯🇵 Japan
The structure
About Old Yonaguni Platform II — Yonaguni (58-07) Main Submerged-City Feature
Primary submerged-city feature at Old Yonaguni Platform II — Yonaguni (58-07) – central platform and associated settlement element with stratified deposits