Spain Few sirens that were used for civil defence against bombings during the Spanish Civil War are preserved. The Guernica siren has a highly symbolic value because of the impact of the Bombing of Guernica. Barcelona City History Museum preserves one related to the Bombing of Barcelona, and another siren from civil war years is also preserved in Valencia.
Spain Few sirens that were used for civil defence against bombings during the Spanish Civil War are preserved. T.he Guernica siren has a highly symbolic value because of the impact of the Bombing of Guernica. Barcelona City History Museum preserves one related to the Bombing of Barcelona, and another siren from civil war years is also preserved in Valencia