A handout picture provided by the Vatican media office shows top Shiite cleric Grand Ayatollah Ali al-Sistani during a meeting with Pope Francis (unseen) in the Iraqi shrine city of Najaf, on March 6, 2021. (Photo by VATICAN MEDIA / AFP) / == RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / HO / VATICAN MEDIA" - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS ==