Street in Old Havana, Cuba.

Ernesto "Che" Guevara was, alongside Fidel Castro, a central figure in the Cuban revolution in 1959. This iconic image of Che is perhaps the greatest symbol of this historic moment. And the composition, associated with the national flag of Cuba and the phrase "Hasta la Victoria. Siempre!" (Until the Victory. Always!), sounds like a perfect symbol for the city.