The weekend in pictures

Rio de Janeiro, Brazil: Two Polish nuns watch people bathing as hundreds of thousands of young Catholic pilgrims begin to attend World Youth Day at Copacabana beach during the pope's visit Photograph: Yasuyoshi Chiba/AFP/Getty Images

Pyongyang, North Korea: Veterans of the Korean war wave to their leader Kim Jong-un during a mass military parade in Kim Il-sung Square to mark the 60th anniversary of the Korean war armistice Photograph: David Guttenfelder/AP

Cairo, Egypt: A streak of dried blood on the ground where supporters of deposed Egyptian president Mohamed Morsi were killed in fighting between pro-Morsi demonstrators and Egyptian security forces Photograph: Ed Giles/Getty Images

Manama, Bahrain: A Shia Muslim boy wearing traditional Bahraini dress reading the Qur'an in a mosque Photograph: Ayman yaqoob/Demotix/Corbis

Cairo, Egypt: A woman paints Egyptian flag colours on a baby's face during a rally Photograph: Li Muzi/Xinhua Press/Corbis

Taipei, Taiwan: Participants arrange their facial masks after 1,213 people broke the Guinness World Record by applying facial masks for 10 minutes at the same time Photograph: Pichi Chuang/Reuters

London, UK: A participant attempts to pick up her number before the start of the Sumo Run in Battersea Park Photograph: Leon Neal/AFP/Getty Images

Bagnolet, Paris: A woman looks at the list of biometric voters at the Malian consulate during the Malian presidential elections Photograph: Fred Dufour/AFP/Getty Images

Lima, Peru: A demonstrator is arrested by the police during a protest by students and workers Photograph: Ernesto Benavides/AFP/Getty Images

London, UK: Jamaica's Usain Bolt sweats after running in the 4x100m relay during the Anniversary Games at the Olympic Stadium Photograph: Tom Jenkins for the Guardian

Rio de Janeiro, Brazil: Pilgrims rest under a blanket decorated with an image of Jesus on Copacabana beach before the arrival of Pope Francis Photograph: Felipe Dana/AP

North Dakota, US: Inmates sit in the county jail on in Williston Photograph: Andrew Burton/Getty Images

Srinagar, India: Kashmiri men take a break to chat while selling their produce at the floating vegetable market on Dal Lake Photograph: Greg Baker/AP

Zhangye, China: Danxia landform, which means 'rosy cloud', is formed from the erosion of red-coloured sandstone Photograph: Xinhua /Landov/Barcroft Media