University of Colorado administration hired hundreds of safety officers and event staff to enforce the campus closure on Saturday, but hardly anyone was there to dispute it. Norlin Quad was silent at 4:20 p.m. when thousands were gathered in Denver this year to celebrate marijuana holiday, 4/20.

Contact CU Independent Multimedia Reporter Joseph Wirth at Joseph.wirth@colorado.edu and Multimedia Editor Yuchen Wu at Yuchen.wu@colorado.edu.