Tenor Andrea Bocelli, center left, and composer Nicola Piovani, center right, acknowledge applause as they perform with the &#8220;Voices of Haiti&#8221; children&#8217;s choir during the gala concert that inaugurates the Franco Zeffirelli International Center For Performing Arts, in Florence, Italy, Monday, July 31, 2017. The center, besides its educational activities, brings together the entire artistic and cultural patrimony of the Italian director&#8217;s almost 70-year career, including over ten thousand books from his personal library, thousands of professional documents and notes, designs, sketches, scripts, screenplays and storyboards, as well as a substantial collection of photographs of his works from the post-war years to present days. (AP Photo/Domenico Stinellis)