When the U.S.-based filmmakers of the documentary "Alumbrones" traveled to Cuba two years ago to profile a group of artists from Havana, they had no idea about the changes in store for the two countries by the time the movie would be released.
"I was extremely overwhelmed," director Bruce Donnelly said shortly after the announcement that the two countries would restore diplomatic relations after more than five decades of hostility. "It's an opportunity for lives to change ... It's definitely going to be a struggle - it will probably take ...
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