A tiger rolls in the around in the snow at its Buffalo Zoo enclosure.
AP
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A television journalist reports as firefighters try to control a blaze at Galatasaray University in Istanbul, Turkey.
AFP/Getty Images
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Australian artist Ewen Coates sets up his installation -- entitled "Overground" -- at the Art Stage Singapore exhibition. The work consists of 12 bronze heads wearing balaclava. Inside each is a small, internally lit diorama depicting a particular scene.
Reuters
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A Syrian rebel sniper takes aim from his perch inside a house during heavy fighting with government forces in the Mleha suburb of Damascus.
Reuters
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A Pakistani woman steps through recyclable plastic bags left drying in the sun in Lahore.
AFP/Getty Images
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A dog minds its own business as its owner fills out a ballot for the Israeli parliamentary election at a Tel Aviv polling station.
Reuters
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An Indian holy man performs evening prayers on the bank of the Sangam during the Maha Kumbh Mela, which will bring up to 100 million worshippers to Allahabad over the next 55 days.
AFP/Getty Images
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Assailants attack a gay-rights activist during a protest outside the Duma, Russia's lower house of Parliament, in Moscow, where a first reading is due on a "homosexual propaganda" law.
Reuters
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A sunset backdrops a traditional pavilion in Beijing on a heavily hazy day. The Chinese capital's mayor unveiled measures to ease the chronic problem that has triggered growing public anger.
Reuters
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The sun highlights a section of tennis fans at Rod Laver Arena during the Australian Open in Melbourne.
Reuters
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Elkhart, Ind., groundskeeper Kevin Miller gets covered in snow as he drives a Zamboni over the ice at the Nibco Ice and Water Park.
AP
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A train sits beneath the carriage of another crash at a station in Alfarelos, Portugal. Emergency services say the high-speed intercity train rear-ended a local train waiting to enter the station.