描述: TheHavanaBoxingAcademyisaCubanboardingschoolthattakes9-year-oldboys,andturnsthemintothebestboxersintheworld.SONSOFCUBAfollowsthestoriesofthreeyounghopefulsthrough8dramaticmonthsoftrainingandschoolingastheyprepareforthebiggesteventoftheirlivessofar:Cuba'sNationalBoxingChampionshipforUnder-12's.Butduringtheseason,cris...