> "NEW YORK (AP) -- The lines that tie the globe together by carrying > phone calls and Internet traffic are just two-thirds of an inch thick > where they lie on the ocean floor."
And AFAIK not all kilometers of cables lie on the ocean floor; if the ocean has high depth on a given part of the cable route, the cable simply floats on the water on that run. It's just a matter of having enough pressure to lift it up. Rubens
