Pictures 7th Annual Opera On The Mall September 25, 2017 / 8:50 AM EDT / CBS News Credit: HughE Dillon Opera Philadelphia's 7th Annual Opera on the Mall Credit: HughE Dillon Opera Philadelphia's 7th Annual Opera on the Mall Credit: HughE Dillon Opera Philadelphia's 7th Annual Opera on the Mall Credit: HughE Dillon Opera Philadelphia's 7th Annual Opera on the Mall Credit: HughE Dillon Opera Philadelphia's 7th Annual Opera on the Mall Credit: HughE Dillon Opera Philadelphia's 7th Annual Opera on the Mall Credit: HughE Dillon Opera Philadelphia's 7th Annual Opera on the Mall Credit: HughE Dillon Opera Philadelphia's 7th Annual Opera on the Mall Credit: HughE Dillon Opera Philadelphia's 7th Annual Opera on the Mall Credit: HughE Dillon Opera Philadelphia's 7th Annual Opera on the Mall Credit: HughE Dillon Opera Philadelphia's 7th Annual Opera on the Mall Credit: HughE Dillon Opera Philadelphia's 7th Annual Opera on the Mall Credit: HughE Dillon