摘要
TIME FLIES!Visitors watch an aerobatic display during the Changchun Air Show in Changchun,Jilin Province,on July 27.As one of the aviation open-day activities hosted by the Chinese People's Liberation Army(PLA)Air Force,the show,from July 26 to 30,showcased the achievements of the PLA Air Force over the past decades.The aircraft performed a host of challenging,sophisticated maneuvers before the eyes of at least 100,000 spectators.
