8,000 square metres of façade and over 17,000 historical features have been restored by Centro Canalejas Madrid using traditional techniques,This work included: the impressive Art Déco stained glass window that once overlooked operations by Banco Zaragozano (1942) and now crowns the main atrium of Galería Canalejas; the original marble floors and counters of Banco Español de Crédito (1922) that have been restored