Holograms and wearable tech: Introducing travel's sci-fi future

By Daisy Carrington, for CNNUpdated 21st April 2014
CNN's Ayesha Durgahee explores the future of drone-based passenger aircraft.
CNN's Richard Quest tries his hands at cosmonaut training with the Russian Federal Space Agency.
Business Traveller explores Virgin Galactic's plans for space travel and astronaut Buzz Aldrin shares his hopes for the future.