epa07484383 An Ehang 216, a two-seater autonomous passenger aerial vehicle drone-taxi of Chinese drone maker Beijing Yi-Hang Creation Science & Technology Co. (Ehang), is parked during a press preview event of Austrian-Chinese aerostructure manufacturer FACC AG on ‘Urban Air Mobility’ at the Generali Arena soccer stadium in Vienna, Austria, 04 April 2019. The world’s first personal Autonomous Aerial Vehicle (AAV) drone-cab can hold two persons weighing up to 260 kilograms and can reach up to 130 kilometer per hour at the maximum flight range of 35 kilometers and a minimum of 30 minutes flight duration. EPA-EFE/Christian Bruna