(Left) Nelson Rockefeller examines a painting at New York's Museum of Modern Art in 1939. (Right) Diego Rivera, seen here in 1933, works on a panel of his mural in the lobby of Rockefeller Center. (Left) Bettmann/CORBIS. (Right) AP hide caption

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A woman in Port-au-Prince, Haiti, hangs her laundry to dry in front of her home. Her family made the shelter out of tin and tarps on land where their home stood before a massive earthquake devastated the nation in 2010. An estimated 80,000 Haitians displaced by the quake remain in tents. Joe Raedle/Getty Images hide caption

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Young Cubans prepare their sticks to charge the latest internet "package" with films, television series, software and other similar stuff from foreign origin downloaded from the web. AFP/Getty Images hide caption

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A member of the activist group Women in White is arrested during a demonstration to commemorate Human Rights Day in downtown Havana, on Dec. 10. Members of the opposition movement say they feel betrayed by the U.S. decision to restore ties with Cuba's communist regime. Adalberto Roque/AFP/Getty Images hide caption

itoggle caption Adalberto Roque/AFP/Getty Images