Visitors to Dubai usually make the Burj Khalifa one of their first stops: After all, as the world’s tallest building, the 830-metre skyscraper offers stunning views of one of the world’s wealthiest cities. From 2026, those vistas could include twin-rotor helicopter-style 4-seat electric aircraft zooming between buildings, now that Joby Aviation has signed a deal with the local Road and Transport Authority (RTA) to launch air taxi services. California-based Joby is to get 6 years’ exclusive rights to provide Dubai with the service, which it claimed it could start in 2025. The operations are to …