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European Union's High Representative for Foreign Affairs and Security Policy Federica Mogherini speaks to media upon her arrival at a two-day EU summit in Brussels, Belgium, Dec. 13, 2018. (Xinhua/Ye Pingfan)
European Union's High Representative for Foreign Affairs and Security Policy Federica Mogherini speaks to media upon her arrival at a two-day EU summit in Brussels, Belgium, Dec. 13, 2018. (Xinhua/Ye Pingfan)