A photo taken on October 28, 2015 in Maiduguri shows a poster displaying one hundred Boko Haram suspects declared wanted by the Nigerian army. The Nigerian army on October 28 said it had freed more than 330 people, mostly women and children, from Boko Haram's Sambisa forest stronghold in the volatile northeast. AFP PHOTO / STRINGER (Photo credit should read -/AFP/Getty Images)
MALAGA, SPAIN - APRIL 24: General view of "Solo Quimica" Flash Mob during the 18th Malaga Film Festival on April 24, 2015 in Malaga, Spain. (Photo by Carlos Alvarez/Getty Images)
TULLE, FRANCE - JANUARY 18: French President Francois Hollande addresses his new year wishes to the French department of Correze on January 18, 2014 in Tulle, France. Francois Hollande also visited the constituency of Correze, the department he headed before the presidential election, where he attended a New Year ceremony. (Photo by Thierry Chesnot/Getty Images)
NEW YORK, NY - SEPTEMBER 24: President of Iran Hassan Rouhani sits before speaking at the United Nations (U.N.) General Assembly on September 24, 2013 in New York City. This year's U.N. diplomacy session, the 68th General Assembly, is likely to be dominated by Syria's civil war and Iran's suspected nuclear ambitions. (Photo by Spencer Platt/Getty Images) NEW YORK, NY - SEPTEMBER 24: Iranian President Hassan Rouhani sits before speaking at the United Nations (UN) General Assembly on September 24, 2013 in New York City. Over 120 prime ministers, presidents and monarchs are gathering this week for the annual meeting at the temporary General Assembly Hall at the U.N. headquarters while the General Assembly Building is closed for renovations. (Photo by Spencer Platt/Getty Images)
This picture taken on January 29, 2016 in Lagos shows 1000 naira banknotes, Nigeria's currency.
Nigeria's central bank governor, Godwin Emefiele, on January 26 dismissed calls to devalue the naira in his monetary policy committee statement. Instead he chose to continue propping up the currency at 197-199 naira to the dollar and maintain foreign-exchange restrictions. As a result, the naira on the black market is hovering around a record low of 305, fuelling complaints from domestic and foreign businesses who can't access dollars required for imports. / AFP / PIUS UTOMI EKPEI (Photo credit should read PIUS UTOMI EKPEI/AFP/Getty Images)
WARSAW, POLAND - JULY 08: Norwegian Prime Minister Erna Solberg arrives for the Warsaw NATO Summit on July 8, 2016 in Warsaw, Poland. NATO member heads of state, foreign ministers and defense ministers are gathering for a two-day summit beginning later today. (Photo by Sean Gallup/Getty Images)
German Chancellor Angela Merkel is mobbed by media as she arrives for a press conference in Berlin on 28 July,2016
Chancellor Merkel has interupted her holiday to hold her annual wide-ranging press conference on domestic and foreign policy following a spate of attacks that have reignited criticism of her liberal stance on asylum / AFP / John MACDOUGALL (Photo credit should read JOHN MACDOUGALL/AFP/Getty Images)
Russian Prime Minister Vladimir Putin speaks with Russian Olympic team athletes in Vancouver from Moscow on February 11, 2010 to wish them luck in the games. IOC chief Jacques Rogge said he was so concerned about the slew of positive doping tests in Russia that he had met President Dmitry Medvedev and demanded action. AFP PHOTO / RIA NOVOSTI / POOL / ALEXEY DRUZHININ (Photo credit should read ALEXEY DRUZHININ/AFP/Getty Images)
BERLIN, GERMANY - APRIL 13: An activist clutching a suitcase stuffed with fake money demands greater trasparency in new legislation following the ongoing Panama Papers affair on April 13, 2016 in Berlin, Germany. Police in Panama have reportedly raided the offices of Mossack Fonseca, the law-firm accused of facilitating large-scale offshore tax evasion for thousands of its clients. (Photo by Sean Gallup/Getty Images)
HUA HIN, THAILAND - 2012/12/28: Macaque Monkey and the Gulf of Thailand at Khao Takiab, at the southern end of Hua Hin beach. The hill is also know as Monkey Mountain thanks to the large numbers of macaques monkeys that live there. (Photo by John S Lander/LightRocket via Getty Images)
