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A volunteer debugs computer at a media room of the main press center of the 29th Winter Universiade in Krasnoyarsk, Russia on Feb. 27, 2019. (Xinhua/Wang Dongzhen)

A volunteer debugs computer at a media room of the main press center of the 29th Winter Universiade in Krasnoyarsk, Russia on Feb. 27, 2019. (Xinhua/Wang Dongzhen)