The mechanism of the old bank vault door is pictured inside the Cervantes Institute in Madrid, Spain, Wednesday, April 24, 2024. The "Caja de las Letras," a project of the Cervantes Institute, occupies part of the more than 1,700 boxes in the old vault of the Spanish Bank of the Río de la Plata, which it seeks to preserve and document the richness of Hispanic culture. (AP Photo/Paul White)