24 hours in pictures

Andrews Air Force Base, US: An air force crew salutes Air Force One, carrying President Barack Obama Photograph: Gerald Herbert/AP

New York: A child waits backstage during the 2009 Westminster dog show Photograph: Shannon Stapleton/Reuters

Goma, Democratic Republic of Congo: A money changer poses for a portrait on a street corner Photograph: Finbarr O'Reilly/Reuters

Baghdad: Extra mirrors and a faux-fur dashboard add a bit of kitsch Photograph: Chris Hondros/Getty Images

Blagoevgrad, Bulgaria: Worshippers light candles in jars of honey during a holy mass for St Haralambos' Day Photograph: Vassil Donev/EPA

Islamabad, Pakistan : Candle power during a blackout Photograph: Emilio Morenatti/AP

Beijing: Police block roads around the unfinished Mandarin Oriental hotel, which was damaged in a fire Photograph: Feng Li/Getty Images

Beijing: The final day of the Chinese new year holiday is celebrated at a temple Photograph: Dan Chung

Tehran: Flag-waving students mark the anniversary of Iran's 1979 Islamic revolution Photograph: Raheb Homavandi/Reuters

Healesville, Australia: Kangaroos explore the charred landscape ravaged by bushfires Photograph: Luis Ascui/Getty Images

London: A city worker battles against strong winds and heavy rain Photograph: /David Levene

Phnom Penh, Cambodia: A tourist in the Tuol Sleng genocide museum, also known as the notorious Security Prison 21 Photograph: Adrees Latif/Reuters

Manas air base, Kyrgyzstan: American soldiers take 40 winks as they prepare to fly to Afghanistan Photograph: /Reuters

Aalsmeer, Netherlands: Pallets of roses at a flower auction Photograph: Koen Suyk/AFP/Getty Images