"Now, for the first time in its billions of years of history, our planet is protected by far-seeing sentinels, able to anticipate danger from the distant future – a comet on a collision course, or global warming–and devise schemes for doing something about it. The planet has finally grown its own nervous system: us."
The Croatian graphic artist Paolo Ceric created the images of a single spiral line. The effect works similarly to a printing process. The line spacing is larger in bright areas, while the lines are closer in dark areas.