The Cathedral Basilica of Saint Cecilia

The Cathedral Basilica of Saint Cecilia (French: Basilique Cathédrale Sainte-Cécile d'Albi), also known as Albi Cathedral, is the most important Catholic building in Albi, France and is the seat of the Roman Catholic Archbishop of Albi. First built as a fortress in the aftermath of the Albigensian Crusade; begun in 1282 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. (Wiki)
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