TOPSHOT - Cuban President Raul Castro (R) embraces First Vice-President Miguel Diaz-Canel after he is named as the candidate to succeed him as president, during a National Assembly session in Havana on April 18, 2018. Miguel Diaz-Canel is the sole candidate to succeed Cuba's President Raul Castro, officials announced Wednesday on the eve of a vote in the National Assembly. / AFP PHOTO / STR