Close up of two North American Harvard Mark IV airplanes performing flyby at airshow in slow motion

air show air show aerobatic aerobatics smoke smoke oil planes plane aircraft acrobatic aerial airplane airshow aviation duo flight fly flying pilot speed stunt stunt plane performance team slomo slow motion barrell roll roll aileron roll sky blue transportation performing high loop trail thrilling exhibition propeller maneuver exciting north american harvard north american harvard mark iv flyby cockpit rcaf