The subway is part of a small cozy cat space with billiards, parking for cars, a home cinema and even a bank.

During the design, the engineer encountered two problems. Firstly, he could not achieve simultaneous opening of the train and platform doors. Secondly, he was unable to create a working escalator.

But with the help of 3D printing and improvised materials, Xing was able to solve all the problems and achieve that he himself fits on the cat train. It took four months for everything to happen. korrespondent.net.

The engineer hopes that Mr. Nice will bring his feline family to the subway.