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(WJBK) - It happens the first Saturday of April every year on the DIAG of the University of Michigan in Ann Arbor at high noon.

The event is more than just a big "pot party." We'll tell you what advocates are fighting for and what keeps people coming back year after year.

Joining FOX 2 is Mark Passerini, HashBash organizer, and Gus Rosania from the University of Michigan with more.