Iran's chancellor Mohammad Javad Zarif (L) and Nicaraguan Foreign Affairs Minister Samuel Santos attend to a press conference at the Nicaraguan State Department in Managua, Nicaragua on August 20, 2016. Iran's chancellor Mohammad Javad Zarif is traveling with a large delegation of officials and business executives to Latin America intrested in participate in Nicaragua's new interoceanic channel project among others. / AFP PHOTO / Alfredo ZunigaALFREDO ZUNIGA/AFP/Getty Images

A ger, a traditional Mongolian tent, stands near a busy street in downtown Ulaanbaatar, Mongolia June 22, 2013. REUTERS/Carlos Barria/File Photo

Iran's chancellor Mohammad Javad Zarif (3 L) is welcomed by the Nicaraguan Foreign Affairs Minister Samuel Santos (2 L) in Managua, Nicaragua on August 20, 2016. Iran's chancellor Mohammad Javad Zarif is traveling with a large delegation of officials and business executives to Latin America intrested in participate in Nicaragua's new interoceanic channel project among others. / AFP PHOTO / Alfredo ZunigaALFREDO ZUNIGA/AFP/Getty Images

Iran's chancellor Mohammad Javad Zarif is seen during a press conference at the Nicaraguan Foreign Affairs Ministry in Managua, Nicaragua on August 20, 2016. Iran's chancellor Mohammad Javad Zarif is traveling with a large delegation of officials and business executives to Latin America intrested in participate in Nicaragua's new interoceanic channel project among others. / AFP PHOTO / Alfredo ZunigaALFREDO ZUNIGA/AFP/Getty Images

Iran's chancellor Mohammad Javad Zarif (Front) is seen during a press conference at the Nicaraguan Foreign Affairs Ministry in Managua, Nicaragua on August 20, 2016. Iran's chancellor Mohammad Javad Zarif is traveling with a large delegation of officials and business executives to Latin America intrested in participate in Nicaragua's new interoceanic channel project among others. / AFP PHOTO / Alfredo ZunigaALFREDO ZUNIGA/AFP/Getty Images

The AIG logo is seen at its building in New York's financial district March 19, 2015. REUTERS/Brendan McDermid

The AIG logo is seen at its building in New York's financial district March 19, 2015. REUTERS/Brendan McDermid

(FILES) This file photo taken on July 31, 2016 shows an opposition supporter holding up a reading "Long live the opposition" during a rally organised by political opposition parties in Kinshasa. Business slowed in Democratic Republic of Congo's capital on August 23, 2016 after the opposition called for a national strike to demand President Joseph Kabila end his 15-year rule when his mandate runs out in December. / AFP PHOTO / Eduardo SoterasEDUARDO SOTERAS/AFP/Getty Images