و آر ایل:https://www.stevenholl.com/wp-content/uploads/2023/06/Penn-SPAC-View-from-Woodland-Walk-©-Steven-Holl-Architects-1-scaled.jpg
و آر ایل:https://www.stevenholl.com/university-of-pennsylvania-selects-steven-holl-architects-for-new-student-performing-arts-center/
