Pictures Philadelphia Zoo hosts OktoBEARfest September 17, 2018 / 9:03 AM EDT / CBS News Philadelphia Zoo hosts OktoBEARfest By HughE Dillon Philadelphia Zoo hosts OktoBEARfest By HughE Dillon Philadelphia Zoo hosts OktoBEARfest By HughE Dillon Philadelphia Zoo hosts OktoBEARfest By HughE Dillon Philadelphia Zoo hosts OktoBEARfest By HughE Dillon Philadelphia Zoo hosts OktoBEARfest By HughE Dillon Philadelphia Zoo hosts OktoBEARfest By HughE Dillon Philadelphia Zoo hosts OktoBEARfest By HughE Dillon Philadelphia Zoo hosts OktoBEARfest By HughE Dillon Philadelphia Zoo hosts OktoBEARfest By HughE Dillon