Pope Francis is visiting Brazil this week. It's his first official trip since becoming pope in March.

His visit coincides with World Youth Day, an annual gathering of young Catholics and thousands of pilgrims have flocked to Rio de Janeiro to catch a glimpse of him. Although many are thrilled just to see him, there are also a lot of high expectations for this pope, and faith in the region is fading.

NPR's Lourdes Garcia-Navarro joins the show with more.