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Cai Zelin of China attends the press conference before the IAAF World Race Walking Team Championships Taicang 2018 in Taicang, east China's Jiangsu Province, May 4, 2018. (Xinhua/Ji Chunpeng)
Cai Zelin of China attends the press conference before the IAAF World Race Walking Team Championships Taicang 2018 in Taicang, east China's Jiangsu Province, May 4, 2018. (Xinhua/Ji Chunpeng)