🇯🇵 Japan · Archaeological wonder
Yamaguchi Yonaguni Second Terrace – Sanninudai Extended Claim
Pseudoarchaeology 1992– claim (proposed 10,000 BCE Atlantis Mu) · Kimura Atlantis/Mu school
1992 second 'central castle' claim 2 km from Yonaguni main — sandstone fracture sea-stack misread as stepped podium at –15 m.