@CNN: Can you imagine disco dancing on a plane or a mid-air gym workout? These ideas were once the future of flight https://t.co/raCFZlFyIF (via @CNNTravel) https://t.co/tyeGo5sFba

@CNN: Can you imagine disco dancing on a plane or a mid-air gym workout? These ideas were once the future of flight https://t.co/raCFZlFyIF (via @CNNTravel) https://t.co/tyeGo5sFba