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This work is by Josep Fontseré i Mestre, designer of the Parc de la Ciutadella . with the collaboration of the Vallmitjana brothers, who made the Birth of Venus, Rafael Atché, who made the Griffons, Rossend Nobas who was in charge of The Quadriga of the Aurora and four groups of geniuses, two faunas and the figure of Eros, Antoni Gaudí who designed the artificial underground grotto and the hydraulic system and several sculptures by other authors.