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Fireworks illuminate the sky marking the incorporation of the Black Sea peninsula, Crimea, into Russia in Moscow on Friday. Russian President Vladimir Putin completed the annexation of Crimea on Friday, signing the peninsula into Russia, and also ordered fireworks in Moscow and Crimea.

People celebrate as they wave Russian national flags while watching fireworks next to the monument of Russian naval admiral Pavel Nakhimov, in downtown of Sevastopol, Ukraine, on March 21. ANTON PEDKO / EPA