Serbia celebrates WWII liberation with new Russian aircraft

MiG-29 jet fighters of the Russian aerobatic team Strizhi (Swifts) perform during a military parade and air show at the airport in Batajnica, near Belgrade, on Oct. 20, 2017. Serbia held a military parade and air show on Friday to celebrate the 73rd anniversary of its capital city's liberation during the Second World War. (Xinhua/Predrag Milosavljevic)