sentences:  with a vaulted choir 48 meters high, taller than its nearby competitor, Amiens Cathedral, at 42 meters.Work began in 1225 but the roof of the vault was too heavy for the walls, and partially collapsed in 1272.They thickened the walls and rebuilt the vault and in 1569 they completed a tower, 72 meters high, which from 1569–1573 made Beauvais Cathedral the tallest structure in the world.