The second major religious project undertaken by Le Corbusier was the Convent of Sainte Marie de La Tourette in L'Arbresle in the Rhone Department (1953–1960). Once again it was Father Couturier who engaged Le Corbusier in the project. He invited Le Corbusier to visit the starkly simple and imposing 12th–13th century Le Thoronet Abbey in Provence, and also used his memories of his youthful visit to the Erna Charterhouse in Florence. This project involved not only a chapel, but a library, refectory, rooms for meetings and reflection, and dormitories for the nuns. For the living space he used the same Modulor concept for measuring the ideal living space that he had used in the Unité d'Habitation in Marseille; height under the ceiling of ; and width .