Detail of the Holy Door or 'Porta Sancta' (Porte Sainte; Heilige Pforte) in Saint Peter's basilica.Last to the right of the atrium is the Holy Door (3.65m X 2.30m). In 1949 it was furnished with two bronze wings with eight compartments on each side; produced by Vico Consorti; - Top: The woman who was a sinner; The need for Forgiveness.- Below: the Appearance of Thomas; Christ's Appearance to the Disciples.The Holy Door is only open during a Holy Year (Jubilee); which occur every 25 years. On the first day of a holy year; the Pope strikes the brick wall with a silver hammer and opens it to the pilgrims. The message imparted by the Holy Door is that God's mercy reaches out to mankind's frailty. From inside the basilica; the door is walled up.(Saint Peter's basilica; basilique Saint-Pierre; Petersdom)Vatican 2019