The City of Philadelphia Mural Arts Program created a project called “Open Source” which brought together 14 artists from around the world to create public art. The month-long outdoor exhibition and celebration was covered by Max Kutner for Newsweek.

The street artist MOMO has created a 22-story mural for "Open Source," a monthlong exhibition organized by the Mural Arts program in Philadelphia. STEVE WEINIK FOR THE CITY OF PHILADELPHIA MURAL ARTS PROGRAM