German Chancellor Angela Merkel (R) welcomes Italian President Carlo Azeglio Ciampi before a meeting in Berlin March 29, 2006. REUTERS/Arnd Wiegmann/File Photo

Italy's new President Giorgio Napolitano shakes hands with the country's outgoing president Carlo Azeglio Ciampi (R) during a ceremony marking the transfer of power, at Quirinale palace in Rome May 15, 2006. REUTERS/Chris Helgren/File Photo

Italy's Prime Minister Silvio Berlusconi (L) meets President Carlo Azeglio Ciampi (R) to hand in his government's resignation at the Quirinale palace in Rome May 2, 2006. Italian Presidency/Enrico Oliverio/Handout via REUTERS/File Photo

Pope Benedict XVI (L) arrives with Italian President Carlo Azeglio Ciampi (R) at an auditorium before a concert in Rome April 21, 2006. REUTERS/Enrico Oliverio/Pool/File Photo

A national flag flies behind a security camera outside the Ecuadorian Embassy where WikiLeaks founder Julian Assange is taking refuge, in London, Britain September 16, 2016. REUTERS/Peter Nicholls

Italian former President and senator Carlo Azeglio Ciampi speaks to reporters after consulting with Italian President Giorgio Napolitano at the Quirinale palace in Rome February 23, 2007. REUTERS/Dario Pignatelli/File Photo

Italian President Carlo Azeglio Ciampi touches the flag-draped coffin of Carabiniere Warrant Officer Carlo De Trizio during the arrival of the bodies of three personnel killed in Iraq, at Ciampino airport near Rome April 29, 2006. REUTERS/Giampiero Sposito/File Photo

News media wait outside the Ecuadorian Embassy where WikiLeaks founder Julian Assange is taking refuge, in London, Britain September 16, 2016. REUTERS/Peter Nicholls