A great cathedral (see also cathedral) in France. Built mostly in the thirteenth century, it is considered one of the finest examples of Gothic architecture. The stained-glass windows, in which blue glass predominates, are especially impressive. if (window.googletag) {googletag.cmd.push(function() { googletag.display('dcomMobileSERPDisplayTopAd-300x250'); });} else {console.error('googletag not defined, dcomMobileSERPDisplayTopAd-300x250');}