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As tactic to attract publicity it was definitely successful: they were on RTVE and TV channels 3, 5, 6 and 7. Whether it actually helps in the longer term to draw in new inhabitants or tourists is a different question... but it's nothing if not inclusive:

juanjoydavid.com/pena-zafra-de

JuanjoydavidPeña Zafra de Abajo desnudos para un calendario. - JuanjoydavidJuanjoydavid hacen calendario solidario para la peña la zafra