IranÕs Roads and Urban Development Minister Abbas Akhoundi speaks to foreign investors at the CAPA Iran Aviation Summit in Tehran, Iran, September 18, 2016. REUTERS/Tim Hepher

Virginia Raggi, the anti-establishment 5-Star Movement's candidate for Rome's mayor, poses during an interview with Reuters in Rome, Italy May 19, 2016. REUTERS/Tony Gentile/File Photo

Rome's newly elected mayor Virginia Raggi, of 5-Star Movement, gestures during a news conference in Rome, Italy June 20, 2016. REUTERS/Remo Casilli

Rome's newly elected mayor Virginia Raggi, of 5-Star Movement, stands on the balcony of the Rome's city hall, Campidoglio (Capitoline Hill), in downtown Rome, Italy June 23, 2016. REUTERS/Remo Casilli/File Photo

U.S. President Barack Obama meets with Israeli Prime Minister Benjamin Netanyahu in the Oval office of the White House in Washington November 9, 2015. REUTERS/Kevin Lamarque

People work in the field in Yili, Xinjiang Uyghur Autonomous Region, China, September 4, 2016. China Daily/via REUTERS

Lighters of French National Front (FN) political party are seen during a FN political rally in Frejus, France September 18, 2016. REUTERS/Jean-Paul Pelissier

French National Front (FN) political party leader Marine Le Pen gestures during a FN political rally in Frejus, France September 18, 2016. REUTERS/Jean-Paul Pelissier