An aircraft performs at the 2018 Slovak International Air Fest (SIAF) in Sliac, central Slovakia, Sept. 2, 2018. The 2018 Slovak International Air Fest (SIAF) kicked off at Sliac airport on Saturday. (Xinhua/TASR/Dusan Hein)
An aircraft performs at the 2018 Slovak International Air Fest (SIAF) in Sliac, central Slovakia, Sept. 2, 2018. The 2018 Slovak International Air Fest (SIAF) kicked off at Sliac airport on Saturday. (Xinhua/TASR/Dusan Hein)