Photos: The life of Pope Benedict XVI
52650856PM008_Pope_Benedict
Credit: Getty Images
VATICAN CITY, VATICAN - APRIL 20: Pope Benedict XVI leaves his old apartment and prepares to move into the Vatican on April 20, 2005 in Vatican City. Pope Benedict XVI has held his first Papal Mass in the Sistine Chapel, saying he will strive for unity of all Christians. (Photo by Peter Macdiarmid/Getty Images)
Related:
Pope to be called 'emeritus pope,' will wear white 
Retiring Pope Benedict XVI will be 'hidden to the world'
Pope celebrates last public Mass as pontiff
Pope’s mission to revive faith clouded by scandal
Pope Benedict XVI releases statement on his resignation
St. Louis Archdiocese releases statement on pope's resignation
Pope to resign Feb. 28, says he lacks strength to carry on
