Take a look at Newsround's gallery of the best pictures of the day on 28 July 2013.
Crowds on Copacabana Beach in Rio de Janeiro, Brazil, wake up after spending the night outdoors in an all-night vigil. Pope Francis spoke to them on Saturday evening and will celebrate Mass there on Sunday afternoon.
Swimmers wait to start the 1,500m swim for the Virgin Active London Triathlon at the Royal Victoria Dock in east London.
Manchester United footballers Chris Smalling, Rio Ferdinand and Alexander Buttner pose in Hong Kong with a banner reading 'I Love Hong Kong' in Chinese characters. United will play a friendly match against local side Kitchee on Monday.
Runners dressed in inflatable sumo costumes take part in a 5km charity run at Battersea Park in south London.
Police stand in a tear gas cloud as they battle with protesters in Peru's capital city Lima. The demonstrators are unhappy about new laws planned by the government.