What happens on and in the oceans can be mysterious. Shipping can be a secretive and paradoxical industry and many are 'sea-blind' to our dependency upon it. The surface of the moon is better mapped than our ocean floors.
To change how we visualise and value the oceans, we could look at NASA's famous 1972 Blue Marble image ... upside down. The Apollo 17 astronauts actually snapped the picture this way, from what we would consider an unconventional vantage point. Our familiar world appeared the wrong way around to them, thanks to the orientation of their spacecraft.
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