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

Italian President Carlo Azeglio Ciampi waves to the crowd while visiting his home town of Livorno May 3, 2006. Italian Presidency/Enrico Oliverio/Handout via REUTERS/File Photo

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

Workers walk in the rain at the Canary Wharf business district in London, Britain November 11, 2013. REUTERS/Eddie Keogh/File Photo

A man touches a mannequin as he tries out a M2 Co.Ltd's "E-mote" system and the monitor shows the image from the VR device at Tokyo Game Show 2016 in Chiba, east of Tokyo, Japan, September 15, 2016. REUTERS/Kim Kyung-Hoon/File photo

A GlaxoSmithKline logo is seen outside one of its buildings in west London, February 6, 2008. REUTERS/Toby Melville/File Photo