River, Penn purchased 23 acres (9.3 ha) at the northwest corner of 34th Street and Grays Ferry Avenue, the then site of DuPont's Marshall Research Labs. In October 2016, with help from architects Matthias Hollwich, Marc Kushner, and KSS Architects, Penn completed the design and renovation of the center piece of the project, a former paint factory named Pennovation Works, which houses shared desks, wet labs, common areas, a pitch bleacher, and other attributes of a tech incubator. The rest of the site, known as South Bank, is a mixture of lightly refurbished industrial buildings that serve as affordable and flexible workspaces and land for future development.
=== Parks and arboreta ===
In 2007, Penn acquired about 35 acres (14 ha) between the campus and the Schuylkill River at the former site of the Philadelphia Civic Center and a nearby 24-acre (9.7 ha) site then owned by the United States Postal Service. Dubbed the Postal Lands, the site extends from Market Street on the north to Penn's Bower Field on the …
