Fig. 5: Chartres Cathedral, France. “Ad Pentagono” (Drawing: © Josep Gonzàlez) And Virgil assures us that the same thing happens in nature, saying: “Look, I will utterly disperse the cloud that now, dimming your eyes, dulls your mortal sight and surrounds you with a damp darkness.” Commentarii in somnium Scipionis, Macrobio Fig. 6 Amiens Cathedral, France. Francia. (Trazado: © Josep Gonzàlez). “To you, happy prison of the retina, Golden section, celestial quadrature, Mysterious fountain of measure That gives rise to the harmonious universe”… To the Divine Proportion Rafael Alberti. Josep Gonzàlez Ullastrell June 2013