Hundreds of workers march through Havana on International Workers ' Day . Crowds pack the Luna Park promenade for the annual Carnival . The International Ballet Festival attracts world - famous dance stars to the city . The Festival of New Latin American Cinema ( December ) Legendary jazz maestro Rafael Valdes brings jazz to the Cuban capital .
Hundreds of workers march through Havana on International Workers ' Day . Crowds pack the Luna Park promenade for the annual Carnival . The International Ballet Festival attracts world - famous dance stars to the city . Legendary jazz maestro Rafael Valdes brings jazz to the Cuban capital .