Dutch Prince Pieter Christiaan (L) sits in a drone-taxi, a drone that can hold a person of up to 100 kg and a small piece of luggage, in the Amsterdam Arena, Amsterdam on Monday. The prince flew the drone-taxi, designed by a Chinese startup, into the stadium. Hailed as the world’s first personal Autonomous Aerial Vehicle (AAV), the Ehang 216 comes with fully automated navigation and can reach speeds of up to 100 km per hour. It is powered by electricity.    APF via Xinhua