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Chinese President Xi Jinping, also general secretary of the Communist Party of China (CPC) Central Committee and chairman of the Central Military Commission (CMC), visits an exhibition marking the 70th founding anniversary of the People's Liberation Army (PLA) Air Force at the China Aviation Museum in Changping District, Beijing, capital of China, Nov. 8, 2019. Xi on Friday attended an event celebrating the 70th founding anniversary of the PLA Air Force in the northern outskirts of Beijing. On behalf of the CPC Central Committee and the CMC, he extended congratulations on the air force's founding anniversary and greetings to all its service personnel. (Xinhua/Li Gang)