"The Basilica of San Petronio is the main church of Bologna, Emilia Romagna, northern Italy. It dominates Piazza Maggiore. It is the fifteenth largest church in the world, 132 metres long and 66 metres wide, while the vault reaches 45 metres inside and 51 metres in the facade. With its volume of 258,000 m³, it is the largest (Gothic and totally) church built in bricks of the world." from Wikipedia
