Police officers stand guard, 警員站崗

Police officers stand guard during a rally to celebrate the second anniversary of Russia's annexation of Crimea just off Red Square in Moscow, Russia, Friday, March 18, 2016. Russia annexed Crimea in 2014 after a hastily organized referendum not recognized by the United States and the European Union. (AP Photo/Ivan Sekretarev)

Photos of the day - March 18, 2016

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