It's the oldest, largest and one of the most prestigious air shows in the world, a show where fans gather to see spectacular aerial displays and get up close to the beautiful flying beasts of the sky. Business leaders gather to sign deals for new fleets of planes worth millions, swap ideas and examine new aviation technology. National Geographic Channel goes behind the scenes of the famous Paris Air Show to see the latest examples of aviation innovation and find out how the team behind the event wing into action.