I also posted this to !Urban Details@kbin.social - let's try to get some activity there as it has real potential. I really want to see more stuff like this from around the world.

This photo shows the scale of the art even better:

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[–] 1 point 3 years ago

I'd wager that yes. The problem is that natural UV light is available only during daytime when visible light outshines its effects.

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