Thousands of Cuban ##s , trade unionists , from around world . ` ` I am marching for Cuba and for the Cuban people , '' one Cuban worker says . Cuba had used it as response to international criticism over human rights .
Thousands of Cuban demonstrators , trade unionists gather from around world . `` I am marching for Cuba and for the Cuban revolution , '' one Cuban marcher says . Cuba had billed march as rebuke to international criticism over human rights .