LXer: Play with gravitational fields and pretty colors
 

Published at LXer:

You’re on a city block. It's windy, and a light rain is falling. People scamper to and fro, carrying armloads of chalk and tarps. Many are crouched*in the*street, suffering over their chalk art and cursing the rain. The street extends to the south.*A dingy concrete stairwell leads down, beneath street-level.read more

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