However other researchers think that the monument is a natural formation, shaped over the centuries by underwater currents. Those in this camp believe that the symmetry of the rocks is not as pronounced as some have said, and that the structure is made out of solid rocks rather than the distinct blocks which would be proof of human involvement. They also argue that the 'carvings' are actually naturally occurring scratches.

Now discover the natural wonders that remain a mystery

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Experts Still Can't Explain These 11 Ocean Mysteries