Nazareth is the scene of the Annunciation, where Gabriel "opened his wings" before Mary. The Vatican hill in Rome is the location of both St. Peter's basilica and the Vatican palace. The papal residence, during Dante's life, was the Lateran Palace. The Vatican has been the usual residence of the popes since their return from Avignon in the latter half of the 14th century. Additionally, the Vatican hill, the location of Peter's and other early Christians' martyrdom, is considered to be the most sacred area in Rome. The meaning of these closing verses is widely disputed, and they may refer to the removal of the Papal Court to Avignon in 1305, or perhaps to the death of Boniface VIII. More obvious, however, are the final lines. The influence of money, greed and corruption from Florence produced corruption that stretched all the way to the Vatican. Thus, evangelical purpose died with the martyrs. Once again the reader sees a greedy Church government perpetuated by corrupt pontiffs, and the prostitution of things holy for personal gain.