A waving Cuban national flag is seen at a concert honoring "Cuban Five", the five Cuban intelligence agents arrested by the U.S. in 1998, in Havana, capital of Cuba, March 1, 2014. Tens of thousands of Cubans gathered at the University of Havana for a concert, welcoming the second of "Cuban Five", Fernando Gonzalez, to return to Cuba after his completion of 15 years in prison in America.