24 hours in pictures

Muehlberg, Germany: Beams of light shine from three medieval fortresses – (from left) Wanderslebener Gleiche, Wachsenburg and Muehlburg – during an open-air spectacle Photograph: Jens Meyer/AP

New Delhi, India: A Hindu holy man shows his support for the anti-corruption activist Anna Hazare at the site of Hazare's hunger strike Photograph: Kevin Frayer/AP

Sao Paulo, Brazil: Children eat corn before a protest against the construction of the Belo Monte hydroelectric power plant Photograph: Nacho Doce/Reuters

Madrid, Spain: Nuns await the arrival of the pope, who is on a four-day visit to coincide with World Youth Day Photograph: Arturo Rodriguez/AP

Lalitpur, Nepal: A girl holds a peacock feather during the Krishna Janmashtami festival, which marks the birth of the Hindu god Krishna Photograph: Navesh Chitrakar/Reuters

Bilbao, Spain: The Geman street artist Johan Lorbeer performs Tarzan: Standing Leg Still Life Performance, at the Alhondiga Centre on the first day of Aste Nagusia, a nine-day fiesta Photograph: Vincent West/Reuters

Yokohama, Japan: A proboscis monkey feeds at the zoological gardens Photograph: Itsuo Inouye/AP

Jersey City, New Jersey: A man looks at a twisted piece of steel from the World Trade Centre at a 9/11 memorial site across the Hudson river from Manhattan Photograph: Gary Hershorn/Reuters

Port-au-Prince, Haiti: Girls rest during a gathering of schools from the Carrefour neighbourhood Photograph: Ramon Espinosa/AP

Gadayem forest, Libya: Rebels run for cover during fighting against regime forces west of Tripoli Photograph: Filippo Monteforte/AFP

London, England: BMX riders compete in the final heats of the UCI BMX Supercross World Cup at the Olympic BMX course in Stratford Photograph: Carl De Souza/AFP/Getty Images

Kuala Lumpur, Malaysia: An Afghan migrant holds the hands of his daughter. Akhbar and his family hope to go to Australia under a controversial refugee swap deal Photograph: Saeed Khan/AFP/Getty Images

Grainau, Germany: Freddy Nock, a high-wire artist, walks up the 995-metre rope of a Zugspitze cable car. The climb, ascending 348 metres, took him 90 minutes Photograph: Joerg Koch/AP

Kiryat Gat, Israel: A police sapper inspects the remains of a rocket fired by Palestinian militants from the Gaza Strip that landed near the city Photograph: Tsafrir Abayov/AP

Kunar province, Afghanistan: A river valley seen from a Canadian Molson contractor helicopter Photograph: Nikola Solic/Reuters