Pope Francis waves to people from his popemobile as he visits the Varginha slum, part of the Manguinhos slum complex in Rio de Janeiro, Brazil, Thursday, July 25, 2013. Francis on Thursday visited one of Rio de Janeiro's shantytowns, or favelas, a place that saw such rough violence in the past that it's known by locals as the Gaza Strip. (AP Photo/Andre Penner)