Venice

Italian Premier Matteo Renzi, left, and French President Francois Hollande review the honor guard, in Venice, Italy, Tuesday, March 8, 2016. Renzi and Hollande are expected to discuss Libya and the migrant crisis during a meeting dedicated to Venice native Valeria Solesin, the only Italian killed in the Paris attacks on Nov. 13. (AP Photo/Luigi Costantini)

Luigi Costantini/AP

Italian Prime Minister Matteo Renzi, left, and French President Francois Hollande review the honor guard, in Venice, Italy. Renzi and Hollande are expected to discuss Libya and the migrant crisis during a meeting dedicated to Venice native Valeria Solesin, the only Italian killed in the Paris attacks on November 13 

Actor George Clooney and Amal Alamuddin wave from a boat as they leave after a civil wedding ceremony at the town hall in Venice, Italy, Monday, Sept. 29, 2014. George Clooney married human rights lawyer Amal Alamuddin Saturday, the actor's representative said, out of sight of pursuing paparazzi and adoring crowds.

Luigi Costantini/AP

Actor George Clooney and Amal Alamuddin wave from a boat as they leave after a civil wedding ceremony at the town hall in Venice, Italy on Monday

George Clooney and his fiancee Amal Alamuddin arrive in Venice, Italy, Friday, Sept. 26, 2014. Clooney, 53, and Alamuddin, 36, are expected to get married this weekend in Venice, one of the world's most romantic settings. (AP Photo/Luigi Costantini)

Luigi Costantin/AP

George Clooney and his fiancee Amal Alamuddin arrive in Venice, Italy. Clooney, 53, and Alamuddin, 36, are expected to get married this weekend in Venice. 

Visitors looks at the installation called " Bang " by China's artist Ai Weiwei at the German pavilion during the 55th La Biennale of Venice

Stefano Rellandini/Reuters

Visitors looks at the installation called ‘Bang’ by Chinese artist Ai Weiwei at the German pavilion during the 55th La Biennale of Venice