Yonaguni, Japan (1998): In Japan, Arbuthnot organized an expedition that examined the Yonaguni Monument and created a film documentary of the experience.
The island is also the only natural habitat of a distinctive horse breed, the Yonaguni horse.
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Although the majority of the academic society regard the rock formation as natural joint, Masaaki Kimura, a professor of seismology in University of the Ryukyus and some media believe it is an artificial (or artificially modified) structure engraved or built 2,000 to 3,000 years ago.
Yonaguni Monument | Yonaguni (horse) | Yonaguni horse | Yonaguni |