Photographic documentation of the ghostly apparition of Ketty La Rocca’s, Appendice per una supplica (Appendix for a supplication), 1972, on a billboard located on Rruga “Dine Hoxha”, Ura e Paskuqanit – Tirana, Albania, between 7AM – 8AM. Selected by Marco Mazzi. Courtesy of the artist and all who preserve Ketty La Rocca’s work. Photo: DebatikCenter of Contemporary Art.