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Guo Ailun of China competes during the Stankovic Continental Cup 2019 between China and Tunisia in Shenzhen, south China's Guangdong Province, July 23, 2019. (Xinhua/Mao Siqian)
Guo Ailun of China competes during the Stankovic Continental Cup 2019 between China and Tunisia in Shenzhen, south China's Guangdong Province, July 23, 2019. (Xinhua/Mao Siqian)