Twelfth Century - The remainder of the cathedral is thirteenth century. This rounded transept is one of the gems of early French Gothic, begun in 1177.
Mid-thirteenth century. An important example of Rayonnant Gothic architecture.
Thirteenth Century. Troyes cathedral was a significant step forward in opening up gothic architecture. It was here along with other cathedrals that created the glazed triforium so beautifully achieved in the nave.