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NATO Secretary General Jens Stoltenberg (L) shakes hands with Portuguese Prime Minister Antonio Costa at Sao Bento Palace in Lisbon, Portugal, Jan. 26, 2018. (Xinhua/Zhang Liyun)
NATO Secretary General Jens Stoltenberg (L) shakes hands with Portuguese Prime Minister Antonio Costa at Sao Bento Palace in Lisbon, Portugal, Jan. 26, 2018. (Xinhua/Zhang Liyun)