Yeah. They're on tour.

Afaik there's no soft tissues preserved on the trike herd. Dunno what the life model details are based on exactly.

And the 5 trikes are all from one site as well!

It's well made. But it's not a fun time, honestly. Most of the episodes are very upsetting and sad. Fascinating and interesting scifi ideas, and now I guess also some actual reality. I stopped watching because almost every episode was such a bummer.

There's literally a Black Mirror episode about this...