A generation of Cubans, now in their 70s and 80s, has been left to fend for itself as the economic crisis deepens. They were young when Fidel Castro entered Havana and lived through all the major events on the island, from the 1962 Missile Crisis and the Bay of Pigs invasion to the end of the Soviet Union and its dire consequences for Cuba, to President Barack Obama shaking the hand of Raúl Castro in 2016. (AP Video by Ariel Fernández and Milexsy Durán)