Posted by historian Mark Felton today.

https://www.youtube.com/watch?v=gbXwuwnx8Fc

That's "Atomic" Trams.

Interesting that they have a preservation organization specifically named for the preservation of bomb-era trolleys.

It might be noted that one of the early explanations in Hiroshima was that the bomber had released tons of magnesium dust or other flammable material, which drifted down and ignited into the observed 'flash' when it contacted the overhead trolley wires...