Pope Francis leaves the interior of Rome's Colosseum after a Christian prayer service and goes to join other religious ...

The 88-year-old pope, who was released from Rome's Gemelli hospital March 23 after 38 days of treatment, spent two weeks in his rooms in the Domus Sanctae Marthae before making any public appearances.

The 88-year-old pope, who was released from Rome's Gemelli hospital March 23 after 38 days of treatment, spent two weeks in his rooms in the Domus Sanctae Marthae before making any public appearances.

Pope Francis leaves the interior of Rome’s Colosseum after a Christian prayer service and goes to join other religious leaders in making an appeal for peace Oct. 25, 2022. (CNS photo/Vatican Media) ...

Since his release from Rome's Gemelli Hospital, where he appeared weakened and short of breath—the pope has been recovering on the second floor of the Casa Sanctae Marthae residence at the Vatican.