Thousands of young pilgrims gather on Copacabana Beach for a World Youth Day Mass in Rio de Janeiro, Brazil, Tuesday, July 23, 2013. As many as 1 million young people from around the wo

 

              Thousands of young pilgrims gather on Copacabana Beach for a World Youth Day Mass in Rio de Janeiro, Brazil, Tuesday, July 23, 2013. As many as 1 million young people from around the wo
Thousands of young pilgrims gather on Copacabana Beach for a World Youth Day Mass in Rio de Janeiro, Brazil, Tuesday, July 23, 2013. As many as 1 million young people from around the world are expected in Rio for the Catholic youth event. Pope Francis arrived in Rio de Janeiro on Monday to begin a weeklong visit to participate in the World Youth Day. (AP Photo/Jorge Saenz)