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50,000 years ago none of the cultures had the engineering capability and chance to build a giant complex" is the official position of scientists, but in spite of them at a depth of about 0.7 miles ancient ruins were found
They were found by Advanced Digital Communications, which, together with Cuban authorities, explored the seabed.
After analyzing the pictures from the echo sounder a special robot with a camera was sent underwater. The new images show circular, pyramidal and square-shaped structures made of stone blocks.
A compelling find? Not for oceanologists: "It's too deep, so it couldn't have been created by humans."
A very strong argument, given that tectonic shifts and earthquakes sometimes sink entire cities.
