Ключевые слова: 14, aerial, aerobatic, aerobatics, air, aircraft, airshow, altitude, annual, architecture, army, august, aviation, blade, blue, business, chicago, chopper, city, cockpit, concept, demonstrate, demonstrates, flight, fly, flying, force, helicopter, il, industry, loop, machine, military, navy, outdoor, pilot, red, rotor, show, skill, skills, sky, skyline, smoke, speed, tail, technology, transport, transportation, water,