Pope Francis inaugurated his Holy Year at Rome’s main prison on Thursday, bringing a message of hope to inmates and involving them in the Catholic Church’s once-every-quarter century celebration that is expected to bring some 32 million pilgrims to Rome.

Pope Francis made a visit on Thursday to one of the largest prison complexes in Italy, opening a special "Holy Door" for the 2025 Catholic Holy Year, in what the Vatican said was the first such action by a Catholic pontiff.

Pope Francis kicked off the 2025 Holy Year on Tuesday, inaugurating a celebration of the Catholic Church that is expected to draw some 32 million pilgrims to Rome in a test of the pope's stamina and the ability of the Eternal City to welcome them.