Chinese Premier Li Keqiang (L) and Bulgarian Prime Minister Boyko Borissov are seen during a press conference after the 7th leaders' meeting of China and the Central and Eastern European Countries (CEEC) in Sofia, Bulgaria, July 7, 2018. Li joined Boyko Borissov, host of the 7th China-CEEC leaders' meeting, and Prime Minister Andrej Plenkovic of Croatia, the next host country, in the press conference. (Xinhua/Li Tao)