Mercer Museum, Central Court. Photo by Kevin Crawford.

Broad Street Ministry dining hall. Photo courtesy of Broad Street Ministry.

Douglas Dunn (left), Carolyn Brown (rear), and Merce Cunningham (far right), Persepolis Event, Shiraz Arts Festival, 1972. Photo courtesy Cunningham Dance Foundation archive.

Jeffrey Cheung, Untitled.

Polly Apfelbaum, Waiting for the UFOs (a space between a landscape and a bunch of flowers), 2019, installation view at Kemper Museum of Contemporary Art, Kansas City, Missouri. Courtesy of the artist; Alexander Gray Associates, New York; Frith Street Gallery, London, England; and Galerie nächst St. Stephan, Vienna, Austria. Photo by E.G. Schempf.

Milford Graves, Beyond Polymath, sculpture detail. Photo courtesy of Ars Nova Workshop.

Kulu Mele, "Celebrating Senegal," dancer/drummer Edward Smallwood performs a dance about the Balanta people. Photo by Jaci Downs.

In Motion, In Place: Trisha Brown Dance Company in Fairmount Park. Photo by Vikki Sloviter.

The White Lama, Theos Casmir Hamati Bernard and Lama, Tibet, 1937. Photo by Gegen Dorje Tharchin.

"Chronicling Resistance, Enabling Resistance," Nancy Michael Shulkaitis Papers, documents of resistance to Federal declarations and efforts to stop the Tocks Island Dam, Lehigh University SC MS 0238. Photo courtesy of Philadelphia Area Consortium of Special Collections Libraries.