Pope Francis prays during his general audience in Saint Peter's Square at the Vatican on June 3. The pope has made statements supporting the idea that climate change is man-made, and his upcoming encyclical on the environment and poverty is highly anticipated. Vincenzo Pinto/AFP/Getty Images hide caption

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Migrants rest next to the Tiburtina train station in Rome on Sunday. Hundreds of migrants, many from Ethiopia, Somalia and Eritrea, arrived in recent months on boats from Libya. They were brought to Italy after being rescued at sea. Filippo Monteforte/AFP/Getty Images hide caption

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Carlo Ratti of MIT designed this "supermarket of the future" exhibit. If you move a hand close to a product, a digital display lights up, providing information on origin, nutritional value and carbon footprint. Courtesy of COOP Italia hide caption

itoggle caption Courtesy of COOP Italia

Former Italian Prime Minister Silvio Berlusconi finished serving a tax fraud conviction in March. Luca Bruno/AP hide caption

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The famous chariot race in Ben-Hur was filmed on a movie set at Cinecittà in 1958. AP hide caption

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Migrants crowd an inflatable dinghy as members of the Italian coast guard approach them off the Libyan coast in the Mediterranean Sea on April 22. Alessandro Di Meo/AP hide caption

itoggle caption Alessandro Di Meo/AP