Metro

Photos: The best graduation caps from NU’s commencement

David L. Ryan/Globe Staff
David L. Ryan/Globe Staff
David L. Ryan/Globe Staff
David L. Ryan/Globe Staff
David L. Ryan/Globe Staff
David L. Ryan/Globe Staff
David L. Ryan/Globe Staff
David L. Ryan/Globe Staff
David L. Ryan/Globe Staff
David L Ryan, Globe Staff
David L Ryan, Globe Staff