Air show at Tukey's Teknofest aviation, space and technology fair

'Turkish Stars', F-5 fighter airplanes, the aerobatic team of the Turkish Air Force, fly in formation over Istanbul's new airport, during the Teknofest aviation, space and technology fair, Thursday, Sept. 20, 2018. The fair is taking place between Sept. 20-23 at Istanbul's new international airport, still under construction. [Photo: AP]