Pope Francis surprised a St. Peter's Square, Vatican, congregation by appearing in a wheelchair toward the end of a mass for the sick and healthcare workers. The big picture: It marked the 88-year-old pontiff's first public appearance since leaving on March 23 Rome's Gemelli hospital,

Pope Francis made his first public appearance at the Vatican since he was discharged from the hospital on March 23 after a bout with pneumonia. On April 6, the pope surprised onlookers when he made his way through St.