A bishop takes snapshots before the start of the World Youth Day (WYD) opening mass, at Copacabana beach in Rio de Janeiro, Brazil
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Copacabana World Youth Day Mass attracts hundreds of thousands

24 July 2013 Last updated at 01:58 BST

Hundreds of thousands of people have attended a Mass on Rio de Janeiro's Copacabana beach to mark World Youth Day.

The international Catholic event will be visited by Pope Francis on Thursday.

Wyre Davies reports.