Amid security worries, millions of pilgrims are expected to descend on Rome for a Jubilee Year of major Catholic celebrations throughout 2025. Here are the highlights.

Pilgrims from around the world have been passing through the open Holy Door of St. Peter’s Basilica this week.

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 urged inmates to never give up hope as he inaugurated the Vatican’s Jubilee Year at the high-security Rebibbia prison on the outskirts of Rome on Thursday.

The pope opened the Jubilee Holy Doors praying that the Holy Spirit would soften hearts so that "enemies may speak to each other again."

The 88-year-old Pope Francis opened the Holy Door of St. Peter’s Basilica before Mass on Christmas Eve, officially launching the Jubilee Year 2025.

Pope Francis kicked off the Jubilee this week, marking the start of the Holy Year in Italy as 32 million pilgrims are expected to travel to Rome this year.

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 about 32 million pilgrims to Rome.

The pope encouraged inmates to participate in the church's celebration that happens every 25 years, where people travel to Rome on a pilgrimage.

Pope Francis, marking the Holy Year of the Catholic Church on Thursday, opened the symbolic Holy Door at a prison in Rome, offering a message of hope and forgiveness to inmates. The 88-year-old Catholic pontiff told the prisoners during the ceremony not to lose hope.