JR East's new Limited Express "Super Azusa", which operates between Shinjuku in Tokyo and Matsumoto in Nagano Prefecture, started service in December 2017. Discover how this express train has evolved, from the latest technology used to handle the many curves, to the improvements in comfort. Also discover the reasons why this is the first new vehicle to be developed in 24 years. In "Trains in Focus", join us as we take a ride on a beautiful sightseeing train that runs by the foot of the World Cultural Heritage Site - Mt. Fuji.