Without sides: in Russia introduced the concept of second-class carriages
2019-07-04T16:42:58.777Z
In Russia, they developed the concept of new second-class cars, in which there are no side seats. Due to this, the remaining beds became longer by 17.5 cm. The total number of seats in the car decreased from 54 to 40. Individual lighting, sockets and USB ports are also provided.
Source: russiart