The Cathedral Of Saint Cecile, Albi, Tarn, France - Builded from 1282 to 1480 - The world's largest construction in brick.

Albi Cathedral, formally the Cathedral of Saint Cecilia (French: Cathédrale Sainte-Cécile d'Albi), is the most important religious building in Albi, southern France, and the seat of the Archbishop of Albi (in full, Albi-Castres-Lavaur). First built as a fortress begun in 1287 and under construction for 200 years, it is claimed to be the largest brick building in the world.

In 2010 the cathedral was designated a UNESCO World Heritage Site.

France in the Middle Ages covers an area roughly corresponding to modern day France, from the death of Louis the Pious in 840 to the middle of the 15th century. The Middle Ages in France were marked by:

Albi (French pronunciation: [al.bi]; Occitan: Albi [ˈalβi]) is a commune in southern France. It is the prefecture of the Tarn department. It is located on the River Tarn, c. 85 km northeast of Toulouse. Its inhabitants are called Albigensians (French: Albigeois, Albigeoise(s), Occitan: albigés -esa(s)). It was the seat of the Archbishop of Albi and is the seat of the Diocese of Albi. The episcopal city, situated in the center of the actual city, around the cathedral, was added to the UNESCO list of World Heritage Sites in 2010.