Water shortage plays part in Havana's mayorality election . With the water supply the only issue in Havana , both candidates for Mayor promise a tremendous supply . In an ad for Antonia Oro water pours down an aluminium sheet . Bars of soap adorned with the photo of Antonia are being given away as political propaganda . Havana residents have suffered from an inadequate supply of water through many administrations without relief. Senior Prio also has a realistic election sign of firemen extinguishing a fire with a strong stream of water which attracts much attention because for yuears Havana firemen have gone to fires and watched buildings burn while water trickled from the hose or failed altogether