Dark Matter

Somewhere in Null Sector, a shipping container hums with UV light and awaits your approach. Step inside and the walls are black, blank and glowing. Grab a roll of UV-reactive tape and add your mark: a word, a glyph, a creature, a manifesto. Over the weekend the container fills up, layer on layer, until it's a whole galaxy of everyone who passed through. The wall is never finished and never the same twice.