Cuban President Raul Castro (2nd L, Rear) hugs Cuban First Vice President Miguel Diaz-Canel during a session of Cuba's National Assembly of People's Power, in Havana, Cuba, on April 18, 2018. Cuba's National Candidature Commission on Wednesday nominated First Vice President of the Council of State Miguel Diaz-Canel to succeed Raul Castro as president. (Xinhua/Irene Perez/CUBADEBATE)