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Elina Tzengko of Greece competes during the Women's Javelin Throw stage 2 of athletics event at the 2018 Summer Youth Olympic Games in Buenos Aires, Argentina, on Oct. 16, 2018. Elina Tzengko won the gold medal. (Xinhua/Li Ming)
Elina Tzengko of Greece competes during the Women's Javelin Throw stage 2 of athletics event at the 2018 Summer Youth Olympic Games in Buenos Aires, Argentina, on Oct. 16, 2018. Elina Tzengko won the gold medal. (Xinhua/Li Ming)