Russian President Vladimir Putin arrives at the chancellery on October 19, 2016 in Berlin.
German Chancellor Angela Merkel hosts the leaders of Russia, Ukraine and France in a new push for peace in eastern Ukraine. / AFP / Odd ANDERSEN (Photo credit should read ODD ANDERSEN/AFP/Getty Images)
MOSUL, IRAQ - OCTOBER 17 : Peshmerga forces dispatch tanks to Rabia and Karbali villages of Mosul as they attack on Deash targets during an operation to liberate Mosul from Daesh terrorist organization on October 17, 2016. A much anticipated Mosul offensive to liberate the city from Daesh began midnight Sunday, according to Iraqi Prime Minister Haider al-Abadi.
(Photo by Idris Okuducu/Anadolu Agency/Getty Images)
An OPEC branded flag sits on a table ahead of the 169th Organization of Petroleum Exporting Countries (OPEC) meeting in Vienna, Austria, on Thursday, June 2, 2016. Saudi Arabia is ready to consider a surprise deal with fellow OPEC members, attempting to mend divisions that had grown so wide many dubbed the group as good as dead. Photographer: Akos Stiller/Bloomberg via Getty Images
TOPSHOT - A sign reading "Long live France" is placed near roses in the colors of the French flag at a makeshift memorial in front of the French Embassy in Rome on July 15, 2016, in honour of the victims of an attack in Nice the day before that left at least 84 people dead.
A Tunisian-born man zigzagged a truck through a crowd celebrating Bastille Day in the French city of Nice, killing at least 84 and injuring dozens of children in what President Francois Hollande on July 15 called a "terrorist" attack. / AFP / TIZIANA FABI (Photo credit should read TIZIANA FABI/AFP/Getty Images)
406129 07: Lina Sultana, 8 has her face painted with the Union Jack flag to celebrate Britain's Queen Elizabeth II's Golden Jubilee at a street party June 3, 2002 in Jubilee Street in Stepney in the East End of London. Parties are taking place across the United Kingdom as part of the Golden Jubilee national holiday. (Photo by Sion Touhig/Getty Images)
A boat decorated with flags and banners from the 'Fishing for Leave' group that are campaigning for a 'leave' vote in the EU referendum sails by the British Houses of Parliament as part of a "Brexit flotilla' on the river Thames in London on June 15, 2016.
A Brexit flotilla of fishing boats sailed up the River Thames into London today with foghorns sounding, in a protest against EU fishing quotas by the campaign for Britain to leave the European Union. / AFP / NIKLAS HALLE'N (Photo credit should read NIKLAS HALLE'N/AFP/Getty Images)
CONCORD, NC - MARCH 7: Donald Trump supporters cheer on the Republican presidential candidate before a campaign rally March 7, 2016 in Concord, North Carolina. The North Carolina Republican presidential primary will be held March 15. (Photo by Sean Rayford/Getty Images)
MOSCOW, RUSSIA - MAY 10: Russian President Vladimir Putin attends a press conference with German Chancellor Angela Merkel at the Kremlin May 10, 2015 in Moscow, Russia. Merkel is on a one-day visit to Russia. (Photo by Alexander Aksakov/Getty Images)
An man rides a bicycle and a trailer with messages reading "welcome Kenya Obama" in Nairobi on July 23, 2015, on the eve of the US President's visit. On the eve of his trip to Africa, US President Barack Obama said he was excited about the impending visit to his ancestral continent, which he said had great resilience and enormous potential for growth. AFP PHOTO / TONY KARUMBA (Photo credit should read TONY KARUMBA/AFP/Getty Images)
