Japan's Prime Minister Shinzo Abe arrives at the Jose Marti International Airport in Havana, Cuba, September 22, 2016. REUTERS/Alexandre Meneghini

Cuban and Japanese flags are displayed on top of the airplane bringing Japan's Prime Minister Shinzo Abe upon his arrival at the Jose Marti International Airport in Havana, Cuba, September 22, 2016. REUTERS/Alexandre Meneghini

Roch Marc Christian Kabore, President of Burkina Faso, addresses the 71st session of the United Nations General Assembly at the UN headquarters in New York on September 22, 2016. / AFP PHOTO / DOMINICK REUTERDOMINICK REUTER/AFP/Getty Images

Iranian president Hassan Rouhani takes part in a press conference near the United Nations General Assembly in the Manhattan borough of New York, U.S., September 22, 2016. REUTERS/Lucas Jackson

Luis Videgaray listens during a news conference at the National Palace in Mexico City, Mexico, June 24, 2016. REUTERS/Henry Romero/File Photo

U.S. Republican presidential nominee Donald Trump and Mexico's President Enrique Pena Nieto walk out after finishing a press conference at the Los Pinos residence in Mexico City, Mexico, August 31, 2016. REUTERS/Henry Romero

Ellen Johnson-Sirleaf, President of the Republic of Liberia, addresses the 71st session of the United Nations General Assembly at the UN headquarters in New York on September 22, 2016. / AFP PHOTO / DOMINICK REUTERDOMINICK REUTER/AFP/Getty Images

Ellen Johnson-Sirleaf, President of the Republic of Liberia, addresses the 71st session of the United Nations General Assembly at the UN headquarters in New York on September 22, 2016. / AFP PHOTO / DOMINICK REUTERDOMINICK REUTER/AFP/Getty Images