The choir of the collegiate church of Saint-Urbain, Troyes, has long been hailed as a masterpiece of Gothic architecture, and the skill of its designer attests to the advanced stage of sophistication that French architecture had attained by the third quarter of the thirteenth century. The supporting structure of the eastern half of the building, composed of an armature of emaciated mullions, sharpened moldings and gables, and spikelike buttresses, is thoroughly incorporated into the rich system of decorative membering, and the (...) glazing is so extensive that the edifice seems to stand only through a feat of architectural legerdemain. (shrink)