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Chinese Premier Li Keqiang and Bulgarian Prime Minister Boyko Borissov lay a wreath to the Monument to the Unknown Soldier before their talks in Sofia, Bulgaria, July 6, 2018. (Xinhua/Liu Weibing)
Chinese Premier Li Keqiang and Bulgarian Prime Minister Boyko Borissov lay a wreath to the Monument to the Unknown Soldier before their talks in Sofia, Bulgaria, July 6, 2018. (Xinhua/Liu Weibing)