New ties spark mixed emotions in Cuba
US citizens who made island their home are wary of change, but hail future opportunities
On Monday, for the first time since 1961, Cuba's red, white and blue flag flew over Havana's newly upgraded embassy in Washington, just a stone's throw from the White House.
"I thought I would die before it would happen," Rena Perez, 80, said on the eve of the official resumption of diplomatic ties between the United States and Cuba.
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