VATICAN CITY -- In his very first sermon as pontiff, Pope Leo XIV told the cardinals who elected him that anyone who exercises authority in the Catholic Church must “make oneself small,” so that only Christ remains.

Pope Leo will revive a centuries-old tradition on Sunday by taking a holiday at Castel Gandolfo, where residents of the lakeside town hope for a tourism boost after the late Pope Francis shunned taking a summer break.

Overlooking Lake Albano on a hill south of Rome, Castel Gandolfo was for centuries a much-loved papal summer retreat — until Pope Francis renounced both the estate and summer holidays. Now the tiny town is reclaiming its vaunted status as a Vatican outpost,