Photos, story by Cassie Hepler The Kimmel Center for the Performing Arts, in association with Garces, has a new pop-up bar on the second tier outdoor balcony of The Kimmel Center. The Balcony Bar is open for happy hour Wednesday through Friday until the end of September. While the bar will serve a packed like sardines with 500 plus people for Center City Sips Wednesdays from 5–7 pm, it will be open for expanded happy hours Wednesdays from 7–9 pm, and lesser attended Thursdays and have the place to yourself Fridays from 5–9 pm (weather permitting). Enjoy free WiFi, music and those amazing views above Broad Street. It’s the perfect…