Moscow, Russia, 26/02/2012..An opposition protester holds a car sticker with the date of the Russian presidential election and slogans calling for Putin to resign. Tens of thousands of people formed a 16-kilometre [10-mile] human chain along Moscow's Garden Ring Road in the latest protest against Prime Minister Vladimir Putin and his presidential election campaign. Opposition activists estimated that they needed 34,000 people to complete the chain and symbolically encircle central Moscow.
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