A nun reacts as the tide comes in fast on Copacabana beach in Rio de Janeiro, Brazil, Saturday, July 27, 2013. Pope Francis will preside over an evening vigil service on Copacabana beach that is ... more 
A nun reacts as the tide comes in fast on Copacabana beach in Rio de Janeiro, Brazil, Saturday, July 27, 2013. Pope Francis will preside over an evening vigil service on Copacabana beach that is expected to draw more than 1 million young people. (AP Photo/Victor R. Caivano) less 
1 / 31
Associated Press | Photo By Victor R. Caivano
Sat, Jul 27, 2013 6:12 PM EDT