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Polish President Andrzej Duda (C) arrives at a NATO summit in Brussels, Belgium, July 11, 2018. NATO leaders gather in Brussels for a two-day meeting. (Xinhua/Ye Pingfan)
Polish President Andrzej Duda (C) arrives at a NATO summit in Brussels, Belgium, July 11, 2018. NATO leaders gather in Brussels for a two-day meeting. (Xinhua/Ye Pingfan)