Incredible Car Door Design, Imagine How It's Opened?

This is one of the most incredible ideas which has been made by the talented engineers. The door is disappeared in a bag under the car, this give it the ability to open the doors in a narrow spaces. And it's also safe when opening the door and the driver doesn't worry about the cars behind him.

Every thing in our life becomes easy with the progressive science and technology there's no impossible, every thing is possible in the world of technology.