Podium wereldjongerendagen in Madrid

Workers prepare a massive stage, where Pope Benedict XVI is to hold a prayer vigil and a mass, as part of the World Youth Day activities at the Cuatro Vientos aerodrome, outside Madrid, August 5, 2011. Up to a million pilgrims are expected to attend the week long event from August 16-21, according to the organizers, with the highlight being the Pope's August 18-21 visit. REUTERS/Paul Hanna (SPAIN - Tags: RELIGION SOCIETY) REUTERS