Hundreds of Cuban military cadets, above, attended Feb. 15 presentation of book, The Unstoppable One, about Gen. Ramón Espinosa, a hero of Cuba’s internationalist mission in Angola that defeated apartheid invasion. Right, Víctor Dreke a historic leader of the Cuban Revolution and Cuba’s missions in Africa, speaks at “Africa in Our Veins” event at book fair the day before. Dreke cited Fidel Castro, who always said that “to be an internationalist is to pay our debt to humanity.”