Pope Leo XIV has spoken publicly about his childhood in Chicago for the first time as pontiff. Leo recalled Thursday that from the age of six he used to get up early to serve as an altar boy at the 6:30 a.m. Mass before going to school. Leo shared the memories during an unscripted visit with the children of Vatican employees who are attending the Holy See's summer camp. The visit, which was not announced in advance, took place in the Vatican's main audience hall, which was decked out with huge inflatable bouncy castles.