>>1213881>Wait, that beast inis from the early 21th century? srsly? It looks like it's from the 80's.Picture is 2003. Bus is 80's indeed.
>>1213882>So the back unit is just a trailer but it has trolleypoles which are raised, and the front unit has its trolleypoles lowered and somehow connected to the trailer for power, did I get that right?Basically yes, just that the back bus isn't a trailer but originally is also a fully operational normal bus. It's a unit of 2 normal trolleybuses, just as a unit of e.g. 2 trams type T3.
>I've never found a proper trolleybus or tram-and-trolleybus map for moscow, although there are public transit maps to be found which do show trolleybus lines.If you mean a schematic map of lines, then I can't help, but if you want a map of the overhead network, then generally for Russian cities, the site
Transphoto.ru is a good resource. See pic (stand for 1st May 2018, red are recently dismantled lines. Sad.)