• Pope Pius VI (1775-1799) built the sacristy in 1776-1784. It is a separate building that is attached to St. Peter's by walkways. The sacristy proper, where vesting for Mass occurs, is not open to visitors. The treasury, similar to a museum, has various artwork and can be visited

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• Tours for the graveyard under St. Peter's and the tomb of St. Peter begin in this area. To make such a visit you will need advanced tickets from the Ufficio Scavi

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