Photo of St. Peter's tomb by Allie Caulfield
Click on the symbols to know more or visit this interactive explanation of the papal regalia.
The pope will meet with various delegations, including Vice President Joe Biden. After this ceremony, the installation will be complete, though the papacy of Pope Francis will be just beginnning.
US Vice President Joe Biden, right, and Italian Premier Mario Monti review the honor guard in Rome Monday. Joe Biden will lead the US delegation to newly elected Pope Francis's installation in Rome.