PCT4291696: Grand aitre or aitres of Saint Maclou (St Maclou, Saint-Maclou) to Rouen, Seine-Maritime, Normandy - Cemetiere (grave) created after the Great Black Plague, an epidemic that killed three-quarters of the inhabitants of the neighborhood in 1348. Three of the galleries surrounding the cemetery were built between 1526 and 1533 to serve as ossuary - postcard beginning 20th century - / Bridgeman Images