@myparislens: Welcome to the Bibliothèque du CNAM (Conservatoire National des Arts et Métiers), housed in the former refectory of the medieval Priory of Saint-Martin-des-Champs. Built in the 13th century by Pierre de Montreuil—the architect who also designed Sainte-Chapelle—it was restored in the 19th century and turned into one of the most stunning public study halls in France. Visitor & Access Info: • Location: 292 Rue Saint-Martin, 3rd Arrondissement (Metro: Arts et Métiers) • Guided Visits: Free monthly historical tours are available on select Saturdays (online reservation required via CNAM website). • Hours: Open Monday to Friday (check their website before visiting, as access follows academic schedules). 📍 Bibliothèque du Conservatoire National des Arts et Métiers, Paris 📌 Save this hidden spot for your next trip to Paris! #visitparis #paristrip #paristravel #bibliothèque #paris