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Michael Moller, director-general of the UN Office at Geneva, receives an interview with Xinhua in Davos, Switzerland, on Jan. 22, 2019. (Xinhua/Xu Jinquan)

Michael Moller, director-general of the UN Office at Geneva, receives an interview with Xinhua in Davos, Switzerland, on Jan. 22, 2019. (Xinhua/Xu Jinquan)