[blam]

"Ancient man-made ruins found on the ocean floor in certain areas of the world."

You'll like this then:

Archaeologists Announce Discovery Of Underwater Man-Made wall (Very Old)

[fanfan]

The underwater finds are part of a growing body of evidence suggesting the existence of civilizations older than anything previously imagined.

Very interesting!

It really does seem plausible.

Logical, as well.