Giraffe_BabyBeau_ PHILADELPHIA - The Philadelphia Zoo will be reopening to the public on Thursday several new guidelines in place, including a face mask requirement.The zoo reopened to members earlier this week but is now opening its doors to the public with capacities limited to 50%.Indoor animal exhibits, rides, and attractions will remain closed.Social distancing guidelines have also been implemented and hand sanitizer stations have been placed throughout the zoo.The Philadelphia Zoo will also be reopening Thursday and masks will be requires.All visitors must reserve or pre-purchase timed-tickets for admission.