Hungarian national holiday celebrated in Budapest
Airplanes fly above the Danube river during an Air show that celebrates Hungarian national holiday in Budapest, Hungary on Aug. 20, 2018. (Xinhua/Attila Volgyi)
Airplanes fly above the Danube river during an Air show that celebrates Hungarian national holiday in Budapest, Hungary on Aug. 20, 2018. (Xinhua/Attila Volgyi)