CNN CNN Newsroom April 16, 2014 19:34:00
Let it ride around and take pictures of the ocean floor but they dont know what the ocean floor looks like. 95% of the deep ocean floor all around the world is unmapped. so whats the terrain like down there? is it smooth or craggy? how do you maneuver around all of that if youre not sure what youre dealing with? what about the pressure at the bottom of the ocean. push this thing down to two miles down. then you will have more than 4700 pounds per square inch. its the same as if you had an africa...
Source: archive.org