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Chinese three-time Olympic swimming champion Sun Yang (C) arrives at a public hearing in the Court of Arbitration for Sport (CAS) in Montreux, Switzerland, on Nov. 15, 2019, as the World Anti-Doping Agency (WADA) appealed against Sun Yang and FINA over FINA's previous decision in favor of Sun on his alleged anti-doping rule violations. (Photo by Alain Grosclaude/Xinhua)
