The Church Militant and Triumphant (La Chiesa militante e trionfante), by Andrea di Bonaiuto, 1365-1367, 14th Century, fresco

The Church Militant and Triumphant (La Chiesa militante e trionfante), by Andrea di Bonaiuto, 1365-1367, 14th Century, fresco Italy, Tuscany, Florence, Church of Santa Maria Novella, Spanish Chapel. Detail. In the centre of the image, above a big church, crowds of men and women with aureole and glances aimed upwards, who symbolize the Blessed; on the right one can see the large Heaven door, through which a row of young women walk dressed in white and with garlands given by two angels under Saint Peter's eyes; the saint has white hair and beard, wears a golden yellow tunic and holds a key in his right hand. (Antonio Quattrone/Archivio Quattrone/Mondadori Portfoliovia Getty Images)