A bishop takes snapshots before the start of the World Youth Day (WYD) opening mass, at Copacabana beach in Rio de Janeiro, Brazil
Media playback is unsupported on your device
Video

Copacabana World Youth Day Mass attracts hundreds of thousands

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.

Go to next video: Young Catholics meet Pope in Brazil