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An exhibitor touches the screen of the newly-launched EHang 184 AAV (Autonomous Aerial Vehicle) that can autonomously fly a human passenger, programmed with an app, at the CES 2016 Consumer Electronics Show in Las Vegas, Nevada on January 7, 2016. AFP PHOTO/ DAVID MCNEW / AFP / DAVID MCNEW (Photo credit should read DAVID MCNEW/AFP/Getty Images)

An exhibitor touches the screen of the newly-launched EHang 184 AAV (Autonomous Aerial Vehicle) that can autonomously fly a human passenger, programmed with an app, at the CES 2016 Consumer Electronics Show in Las Vegas, Nevada on January 7, 2016. AFP PHOTO/ DAVID MCNEW / AFP / DAVID MCNEW (Photo credit should read DAVID MCNEW/AFP/Getty Images)
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AFP DAVID MCNEW