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Liu Tingting of China competes during the women's balance beam final at the 2018 FIG Artistic Gymnastics World Championships in Doha, capital of Qatar, Nov. 3, 2018. (Xinhua/Nikku)

Liu Tingting of China competes during the women's balance beam final at the 2018 FIG Artistic Gymnastics World Championships in Doha, capital of Qatar, Nov. 3, 2018. (Xinhua/Nikku)