Now I can't decide between this tale or Turn a New Page as my favorite in the AE canon. The characterization here is very well done: The feelings of anxiety and apprehension felt by Tyhjä were conveyed effectively to me, and due to his mannered and fairly self-conscious behavior, as opposed to Trighit's eccentric ways or Sakarn's formality, I'd say he's probably the most relatable main character so far. Putting yourself in his shoes isn't a hard task at all.
Being the first tale in this canon to add SCPs cameos so openly, I believe this one also does a good job at finally giving us some insight on what somebody from the Third Antarctic Empire thinks not only about a few of the Foundation's possessions, but also on things that might as well not be anomalous at all. Trighit\Pokum's reaction to the effects of 1517 and the subsequent aftermath was rather underwhelming to me, but it's nice to see this be somewhat compensated now.
On the other hand, Alai's depiction here felt a little off to me, mostly because of how collected she seemed on the previous tale featuring her, as opposed to her considerably more laidback attitude here. Such behavior could easily be explained by the events that happen on said tale and the more private environment here, though, so I can't really complain about it. Also, minor nitpick:
“I don’t mind. I prefer quite places.” Tyhjä stated, glancing around.
Did you mean "quiet" here? Anyways, an entertaining read indeed. Enthusiastic +1.