A parachuter of Romanian Air Club performs at Bucharest International Air Show in Bucharest, Romania, on July 28, 2018. Bucharest International Air Show and General Aviation Exhibition was held here on Saturday. (Xinhua/Gabriel Petrescu)

Aircraft of Flying Bulls Team perform at Bucharest International Air Show in Bucharest, Romania, on July 28, 2018. Bucharest International Air Show and General Aviation Exhibition was held here on Saturday. (Xinhua/Gabriel Petrescu)

Aircraft of Turkish Air Force perform at Bucharest International Air Show in Bucharest, Romania, on July 28, 2018. Bucharest International Air Show and General Aviation Exhibition was held here on Saturday. (Xinhua/Gabriel Petrescu)

Aircraft of Turkish Air Force perform at Bucharest International Air Show in Bucharest, Romania, on July 28, 2018. Bucharest International Air Show and General Aviation Exhibition was held here on Saturday. (Xinhua/Gabriel Petrescu)

People watch Bucharest International Air Show in Bucharest, Romania, on July 28, 2018. Bucharest International Air Show and General Aviation Exhibition was held here on Saturday. (Xinhua/Gabriel Petrescu)