This morning's prompt is 'trophies'.

I need 16 more to get to Christmas and then another half dozen to 2024...

I think I need to get more specific, like a cat playing with a cricket, or the interior of a rotating tower habitat. For that I can imagine a circulation system where warm moist air rises from the 'basement' to the cooler midpoint where the habitat exterior gets slightly less insolation and also probably has radiator fins. The moist air cools water condenses and is blown from one end to the other as the ends alternate being in sunlight and heating up slightly and being in darkness and cooling