Pope Francis offers a Holy Mass at the National Shrine of Our Lady of Aparecida, in Aparecida, state of Sao Paulo, on July 24, 2013. Pope Francis warned Catholics on Wednesday against "ephemeral idols" like money at his first public mass in his native Latin America as huge crowds lined the streets to cheer him. The first Latin American arrived in the country for a week-long visit of which highlight is the huge five-day Catholic gathering World Youth Day. AFP PHOTO/LUCA ZENNARO/POOL