Yes, we still can see interesting models and installations of the Soviet science achivements, researches and inventions. But some of them are hidden from our eyes, they are stored at places we cannot easily enter when we want.
Aircraft engines are fascinating and impressive. They are so complicated and huge, their purpose is to lift not only themselves up in the air but also loaded aircrafts.
So it is always interesting to examine and touch them, even if they are abandoned and are going to be scrapped soon.
Various measuring devices.