2 of 25: A Kremlin honor guard is seen at Alexander's Garden outside the Kremlin, through a heavy smog covering Moscow, Russia, Friday, Aug. 6, 2010. The city of Moscow was shrouded Friday by a dense smog that grounded flights at international airports and seeped into homes and offices, as wildfires that have killed 50 people nationwide continued to burn. ( (AP Photo/Misha Japaridze) )

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