...Cardinal Christoph Schonborn of Vienna, center, and bishops from around the world walk in procession from St. Peter's Basilica at the start of the Synod of Bishops for the Amazon at the Vatican in this Oct. 7, 2019, file photo. Pope Francis has approved a revision of the process for the celebrations of the Synod of Bishops, emphasizing the need to expand reflections and consultations on a diocesan level. (CNS photo/Paul Haring) ...Cardinals and bishop are seen as Pope Francis arrives to celebrate the concluding Mass of the Synod of Bishops for the Amazon at the Vatican in this Oct. 27, 2019, file photo. The pope has approved a revision of the process for the celebrations of the Synod of Bishops, emphasizing the need to expand reflections and consultations on a diocesan level. (CNS photo/Paul Haring)