"The Guild" program's paid apprenticeship trains young adults who were once in trouble with the law.CENTER CITY (WPVI) -- A graduation ceremony in Center City took on special meaning.These proud grads used the Mural Arts program to help turn their lives around. They all graduated from the , or who are on probation.Mayor Jim Kenney and members of city council helped congratulate them on their newfound success. Report a correction or typo