A small army of workers is laboring to replace the estimated 200,000 square meters (50 acres) of windows shattered by the shock wave from a meteor that exploded over Russia's Chelyabinsk region.

Meteor streaking across the sky in Russia
Meteor streaking across the sky in Russia captured by amateur video (CNN)
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The astonishing Friday morning event blew out windows in more than 4,000 buildings in the region, mostly in the capital city of the same name and injured some 1,200 people, largely with cuts from the flying glass.

Fifty of them remain hospitalized, but their injuries are reported to be not life-threatening.

Regional governor Mikhail Yurevich on Saturday said damage from the explosion is estimated at 1 billion rubles ($33 million).

(Copyright 2012 The Associated Press. All Rights Reserved)

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