For anyone interested in undersea fiber optic cables, particularly in teaching or giving talks about them, there's a great scannable panoramic cartoon/graphic illustration at
(Try blowing up the window to the full width of your display, adjusting its top and bottom margins until the text is all gone, then dragging back and forth the little indicator that runs across the bottom.)
If anyone knows of a way to capture or download the whole thing, I'd be glad to hear about it.