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Marta Dobrowolska (front) of Poland from team 10 competes during the speed skating mixed NOC team sprint event at the 3rd Winter Youth Olympic Games in St. Moritz, Switzerland, Jan. 15, 2020. (Xinhua/Zhang Chenlin)
Marta Dobrowolska (front) of Poland from team 10 competes during the speed skating mixed NOC team sprint event at the 3rd Winter Youth Olympic Games in St. Moritz, Switzerland, Jan. 15, 2020. (Xinhua/Zhang Chenlin)