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I: Islas Atlánticas de Galicia, P: Picos de Europa, O: Ordesa y Monte Perdido, A: Aigüestortes i Estany de Sant Maurici, G: Sierra de Guadarrama, M: Monfragüe, C: Cabañeros, T: Tablas de Daimiel, D: Doñana, S: Sierra Nevada.
