In the 1950s of the parallel world, in which some events took place and others did not, railroads developed around the world in a similar way, but with notable peculiarities.
Each country used different technologies according to criteria related to their raw materials and trading geostragical partners. All this resulted in a diverse ecosystem of rail-based modes of transportation, which evolved from new redesigns of old diesel engines, to hybrid hydrogen traction, to magnetic cruisers with their train axles to match the tracks.
In this clip we can see different arrivals and departures of various engines that populated that possible parallel past.