A nun blows a kiss to Pope Benedict XVI as he arrives to celebrate a Mass in the Italian Adriatic coastal city of Bari. A nun blows a kiss to Pope Benedict XVI as he arrives to celebrate a Mass in the Italian Adriatic coastal city of Bari May 29, 2005. Pope Benedict made the first trip of his pontificate on Sunday and again tried to allay the concerns of other Churches by pledging to work "with all my energy" to promote unity among Christianity's divided branches. REUTERS/Tony Gentile