Gothenburg - snow, tropics and what else we saw there

To conquer Sweden! In fact, to visit... and to conquer Sweden.
So in 25 minutes, about what we saw, what tasty food we ate, and how it happened that I was in the tropics and then in Zurich. Oh, and what does "hacerse un sueco" mean? And some linguistic curiosities in general.
Hotel:
➡️ www.spotonhotell.se/?lang=en
Bus-boat:
➡️ oceanbus.se/en/gothenburg/
➡️ / oceanbusgoteborg
Universeum:
@UniverseumAB
➡️ www.universeum.se/en/