The central portal is dedicated to the Last Judgement, the left portal to the martyr Saint Firmin; and the right portal to the Virgin Mary. Over each portal is a tympanum filled with sculpture. The centerpiece of the Tympanum of the Last Judgement is the figure of Christ, raising his hands, judging those below him. On his right and left, the Virgin Mary and Saint John appeal to him to be merciful. The good Christians, to his right, are escorted to Paradise, while the sinners, to his left, are marched to hell. A recent cleaning of the sculpture revealed traces of the painted red marks on Christ's hands, representing where nails were driven during his crucifixion.