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Participants are seen during an activity commemorating the 77th anniversary of ending the Nazi siege of Leningrad during World War II, in St. Petersburg, Russia, Jan. 27, 2021. Activities were held here to mark the 77th anniversary of ending the Nazi siege of Leningrad during World War II. Leningrad, known as St. Petersburg today, was besieged by the Nazi troops on Sept. 8, 1941 and the siege was lifted on Jan. 27, 1944. (Photo by Irina Motina/Xinhua)