Ancient and medieval roses in Europe often came paired in red and white, evocative of spring. c. 1260. Paris, Cathédral Notre-Dame, western rosace, calendar. © Jean-Paul Dumontier LaCollection, ServicePresse.

Ancient and medieval roses in Europe often came paired in red and white, evocative of spring. c. 1260. Paris, Cathédral Notre-Dame, western rosace, calendar. © Jean-Paul Dumontier LaCollection, ServicePresse.