Stunning.
I built a PHC as a young physics student, but never had the option of making colour pictures with it.
I did use the pinhole effect to enable me to see once when I broke a set of spectacles, many moons ago.
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Overhead, the Albatross hangs motionless upon the air,
And deep beneath the rolling waves,
In labyrinths of Coral Caves,
The Echo of a distant time
Comes willowing across the sand;
And everthing is Green and Submarine
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