Turkey's Air Force aerobatic team performs air show in Istanbul, Turkey, on Sept. 20, 2018. Turkey's first aerospace and technology festival kicked off on Thursday with a spectacular ceremony at the construction zone of Istanbul's new airport. The Teknofest Istanbul, organized by the Turkey Technology Team Foundation, aims to showcase the country's advances in technology and to promote technological progress as a national objective, Mehmet Fatih Kacir, Turkey's deputy minister of industry and technology and head of the foundation, told Xinhua. (Xinhua/He Canling)