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The Closing of he HOly Doors has a similar ceremony:
CHARACTERISTIC ELEMENTS OF THE TRADITIONAL CEREMONIES
From 1500 to 1975 the Holy Door of the four Roman Masilicas was closed on the outside by a wall, not a door. Consequently, at the moment of the opening, rather than a door being opened, a wall was taken down: the Pope took down a part of the wal and the masons then completed the work demolishing it. There are still vivid memories of the sense of anxiety felt when cement fragments fell just a few inches from Pope Paul VI during the opening of the Holy Door on Christmas Eve 1974.
At Christmas 1499 the Pope used a hammer to strike three times the wall covering the Holy Door. Initially the hammer of the masons was used and the strikes were not entirely symbolic. Almost immediately, however, the hammer became a precious work of art. In 1525 it was made of gold and in 1575 is was of gilded silver with an ivory handle.
The Trowel was used by the Pope for the rite of closing the Door. The first evidence of its use dates from Christmas 1525. The last Pope to use the trowel was Pius XII, during the closing rite of the 1950 Holy Year (cf. L'Osservatore Romano, 26-27 December 1950).
The use of bricks in the rite of the closing of the Holy Door is first mentioned in the Jubilee of 1500. The chronicler of the Jubilee of 1423 write that "people show such devotion to the bricks and cement fragments that as soon as the door is uncovered they are carried away by a general frenzy; the northerners take them home as holy relics" (L. Bargellini, L'Anno santo, 66) The rite of the closing of the Door composed by Burckard for Epiphany 1501 calls for two Cardinals to set two samll bricks, one of gold and the other of silver, into the wall.
The custom of placing some coins into the wall of the Holy Door is also recorded from the time of the Jubilee of 1500. Initially the coins were simply set into the cement. From 1575 on they were placed in a small metal box. This custom is still observed.
The use of holy water was already mentioned in the 1525 Ritual for blessing the rubble and bricks used in the closing of the Holy Door. Later, holy water was also used for the opening of the door: the Penrentiaries of the Basilica, once the wall was removed, cleaned both door-jambs and the threshold with cloths soaked in holy water. This rite was observed until the last Holy Year.
Outside the Basilica the Holy door was covered by a wall, while inside the wall was covered by a simple wooden door. The door was taken away prior to the removal of the wall and replaced immediately afterwards, since it served as a barrier at night, when visits by pilgrims were not permitted. The simple and unadorned wooden doors, still seen today on the oustside of the Holy Doors of Saint John Lateran, Sain Mary Major and Saint Paul's, were the older doors which until the Jubilee of 1975 were placed in front of the Holy Door inside the Basilica. In Saint Peter's Basilica, on the other hand, the last wooden door, installed by Pope Benedict XIV in 1748, was replaced on 24 December 1949 by a bronze door blessed by Pope Pius XII immediately after the opening of the Holy Doors.
At Christmas 1975 modifications were amde to the rite of closing of the Holy Door. The Pope no longer used the trowel and the bricks to begin the rebuilding of the wall, but simply closed the two sides of the 1950 bronze door. The door, which until that time had been inside the Basilica, thus faced outside. The wall which once covered the door outside was later built inside the Basilica and on 27 February 1975 the traditional box with coins and the parchment document attesting the closing of the Holy Door was sealed inside it.
THE PANELS OF THE HOLY DOOR
The panels of the Holy Door at saint Peter's depict the following scenes, beginning witht he upper left panel and continuing left to right:
The information above is from www.saintpetersbasilica.org