The waters surrounding Yonaguni Island, off the Southwest coast of Japan, are difficult to reach and even more difficult to dive.
But those waters hold a bounty of natural wonders for those who come there.
Most of those who understand what’s going on are in the Japanese diving community.
In 1986, Kikachiro Aratake uncovered amazing truths about a hidden civilization past that has transformed the way we think about the ancient world.
