In this photo provided by Chelyabinsk.ru municipal workers repair damaged electric power circuit outside a zinc factory building with about 600 square meters (6000 square feet) of a roof collapsed  after a meteorite exploded over in Chelyabinsk region on Friday, Feb. 15, 2013 A meteor streaked across the sky of Russia's Ural Mountains on Friday morning, causing sharp explosions and reportedly injuring around 100 people, including many hurt by broken glass. (AP Photo/ Oleg Kargapolov, Chelyabinsk.ru)
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