RIO DE JANEIRO, BRAZIL - JULY 28: Pope Francis waves from the Popemobile as he arrives to celebrate Mass on Copacabana Beach during World Youth Day celebrations on July 28, 2013 in Rio de Janeiro, Brazil. More than 1.5 million pilgrims are expected to join the pontiff for his visit to the Catholic Church's World Youth Day celebrations which is running July 23-28. (Photo by Buda Mendes/Getty Images)
