Yuri Pasholok made an interesting post about one rare T-20 "Komsomolec" artillery tractor returning from the dead. Two years ago, there were only fragments of this vehicle available but thanks to dilligent restoration process, it is slowly returning to its original shape. The Komsomolec was one of the most common Soviet tracked artillery tractors before the war but not so many remain today. According to Yuri Pasholok, in two more years, it's completely possible this vehicle will be in running condition.
They assembled the vehicle right on the stage in the museum - it had only one, but now it has two bogies