Undated archive image of former Cuban leader, Fidel Castro. Cuba celebrated the 87th birthday of its revolution leader Fidel Castro Tuesday with concerts, book presentations and other press highlights. (Xinhua/Roberto Chile/Archive)

Image taken on Feb. 10, 2012, shows former Cuban leader, Fidel Castro attending a meeting in Havana, Cuba. Cuba celebrated the 87th birthday of its revolution leader Fidel Castro Tuesday with concerts, book presentations and other press highlights. (Xinhua/Roberto Chile/Cubadebate)

Archive image from 1958 of Raul Castro (front), Fidel Castro (2-R) and Che Guevara (2-L). Cuba celebrated the 87th birthday of its revolution leader Fidel Castro Tuesday with concerts, book presentations and other press highlights. (Xinhua/Roberto Chile/Archive)

Archive image taken on March 28, 2012, shows Pope Benedict XVI (R) meeting with former Cuban leader Fidel Castro (L) in Havana, Cuba. Cuba celebrated the 87th birthday of its revolution leader Fidel Castro Tuesday with concerts, book presentations and other press highlights. (Xinhua/Pool)

Image taken on Feb. 10, 2012 shows Cuban leader Fidel Castro speaking during a meeting in Havana, Cuba. Cuba celebrated the 87th birthday of its revolution leader Fidel Castro Tuesday with concerts, book presentations and other press highlights. (Xinhua/Roberto Chile/Cubadebate)

Archive image taken on Dec. 22, 1961, shows former Cuban leader Fidel Castro, waves to the crowd in Havana, Cuba. Cuba celebrated the 87th birthday of its revolution leader Fidel Castro Tuesday with concerts, book presentations and other press highlights. (Xinhua/Roberto Chile/Archive)

Image provided by Cubadebate on Oct. 21, 2012 shows former Cuban leader Fidel Castro talking in Havana, Cuba. Cuba celebrated the 87th birthday of its revolution leader Fidel Castro Tuesday with concerts, book presentations and other press highlights. (Xinhua/Cubadebate)