24 hours in pictures

Qingdao, China: A man walks through blue-green algae at a beach in the host city for sailing events at the 2008 Olympic Games. The government called upon locals to help with a clean up operation ahead of the games Photograph: EyePress/AP

Riyadh, Saudi Arabia: Grooms take part in a mass wedding organised by the Saudi government at the King Fahd cultural centre Photograph: AFP

Mumbai, India: A flower seller looks for potential customers on the seafront Photograph: Arko Datta /Reuters

Karbala, Iraq: A recently graduated policewoman fires a handgun as an instructor looks on during target practice Photograph: Mohammed Sawaf/AFP

Jerusalem, Israel: Balloons are released during inauguration of a new bridge designed by the Spanish architect Santiago Calatrava Photograph: Tara Todras-Whitehill/AP

Kabul, Afghanistan: Drug users smoke heroin inside the former Russian cultural centre Photograph: Emilio Morenatti/AP

Johannesburg, South Africa: Zimbabweans and South Africans hold a candlelit vigil in protest at the political violence in Zimbabwe Photograph: Jerome Delay/AP

San Fernando, Philippines: A priest conducts Mass on a beach for relatives of victims of Princess of the Stars ferry tragedy. The hull of the stricken vessel can be seen in the background Photograph: Jay Directo /AFP

Mecca, Saudi Arabia: Muslim piligrims touch the Kabaa as they perform the Umrah piligrimage in the Grand Mosque al-Haram al-Sharif Photograph: Ali Haider /EPA

Panama City, Panama: A police officer stands guard over packages containing cocaine, part of a haul of over 3 tonnes of the drug seized during a raid Photograph: Arnulfo Franco/AP

New York, USA: Local children watch the Royal Air Force aerobatic team, the Red Arrows, perform an aerial display Photograph: Lucas Jackson/Reuters

Chaiten, Chile: A soldier looks at a cloud of ash from the Chaiten volcano from the banks of the Rio Blanco. Locals returned for the first time since the volcano erupted in May Photograph: Ivan Alvarado/Reuters

Saentis, Switzerland: A rainbow appears in the sky above a mountain guesthouse Photograph: Alessandro Della Bella /EPA