For more information in English about the monument at Yonagunijima, please visit the following websites.
Wikipedia entry on the Yonaguni Monument
The Laura Lee Show: Japan's Mysterious Submerged Stone Structures
Lost World of Okinawa
by Kenny Ehman(in Jacques Mayol’s website)
Underwater Ruins
by Santha Faiia (in Graham Hancock’s website)
The Morien Institute: The Mysterious Underwater Pyramid Structure at Yonaguni
by Robert M. Schoch, Boston University
by Gary and Celia Hagland
Yonaguni: Ancient Unknown Submerged Structures off the Coast of Japan
OOPARTS(out of place artifacts) & Ancient High Technology
Yonaguni Overviews
Ancient Archeology
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