CUBA - JANUARY 01:  Portrait between 1956 and 1959 of Ernesto GUEVARA in the Sierra Maestra's mountains (Central Cuba), during the Castroist revolution. Fidel CASTRO's right arm, Che GUEVARA is leading a guerilla action against Dictator BATISTA's troops who controlled the island.  (Photo by Keystone-France/Gamma-Keystone via Getty Images)