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APTOPIX Russia Opposition
An elderly woman holds a white umbrella as a symbol of protest, as she walks past a line of police officers after a massive opposition rally in central Moscow, Russia, Tuesday, June 12, 2012. Tens of thousands of Russians flooded Moscow's tree-lined boulevards Tuesday in the first massive protest against President Vladimir Putin's rule since his inauguration, as investigators sought to raise the heat on the opposition by summoning some of its leaders for questioning just an hour before the march. (AP Photo/Alexander Zemlianichenko)