They’ve been called the crop circles of the ocean floor—seven-foot diameter patterned circles that were first spotted in 1995 off the coast of southern Japan. But their origin was an enigma, and local divers termed them “mystery circles.”
They’ve been called the crop circles of the ocean floor—seven-foot diameter patterned circles that were first spotted in 1995 off the coast of southern Japan. But their origin was an enigma, and local divers termed them “mystery circles.”
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