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Originally posted by ZeroKnowledge
87 meters depth is not an unreachable one. Current record of deepest scuba diving without external cables is 318 meters. With cables and appropriate suit - 600 meters.
So with interest and not a huge funding it can be checked out relatively easy.
Since it is not considered, i doubt that anyone seriously thinks that it is UFO.
But it's just an idea, like any other idea it comes from the mind.
Originally posted by speculativeoptimist
Reminds of one of those archeological finds of an ancient village. Some of them were constructed in a circular formation. Considering the 'natural' formation, this has me stumped:
See how the above and below cuts seem to match?
Originally posted by EartOccupant
reply to post by ManBehindTheMask
In those days it was land!
I believe the sea-level is about 300 meters higher as a few thousands years ago. So it could have been a land crash, now submerged.