AdvertisementDancers Leap Over U.S.-Cuba Political BarriersNovember 08, 2010Nick MirofffacebookEmailDancers of the American Ballet Theatre perform last week at the Karl Marx Theater in Havana. The first performance of the New York-based ABT in Cuba in 50 years is part of a gradual thawing of cultural ties between the United States and Cuba. (Mambo Photo/Getty Images)