(250519) -- VATICAN CITY, May 19, 2025 (Xinhua) -- Pope Leo XIV reacts during the inauguration Mass in St. Peter's Square in Vatican City, May 18, 2025.

Leo XIV was officially inaugurated as the pontiff of the Roman Catholic Church on Sunday.

On May 8, Cardinal Robert Francis Prevost of the United States was elected the 267th pope of the Roman Catholic Church during the papal conclave. He has taken the papal name Leo XIV. (Photo by Alberto Lingria/Xinhua)