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NATO Secretary General Jens Stoltenberg speaks at a press conference of the NATO defense ministers meeting at the NATO headquarters in Brussels, Belgium, on Feb. 13, 2019. (Xinhua/Zheng Huansong)
NATO Secretary General Jens Stoltenberg speaks at a press conference of the NATO defense ministers meeting at the NATO headquarters in Brussels, Belgium, on Feb. 13, 2019. (Xinhua/Zheng Huansong)