Installation view, Arte Povera: From the Olnick Spanu Collection, Magazzino Italian Art. Giovanni Anselmo, Here and There, 1971-1972; Giuseppe Penone, Tree of Three Meters, 1988. Photograph by Marco Anelli © 2018. Courtesy of Magazzino Italian Art.Giorgio Spanu and Nancy Olnick. Courtesy of Magazzino Italian Art