Russian President Vladimir Putin arrives to deliver his speech at the concert marking the eighth anniversary of the referendum on the state status of Crimea and Sevastopol and its reunification with Russia, in Moscow, Russia, Friday, March 18, 2022. (Mikhail Klimentyev, Sputnik, Kremlin Pool Photo via AP)

People wave Russian national flags as they gather to attend the concert marking the eighth anniversary of the referendum on the state status of Crimea and Sevastopol and its reunification with Russia, in Moscow, Russia, Friday, March 18, 2022. (Ramil Sitdikov/Sputnik Host Photo Agency pool via AP)