Vote in the comments on a theme for this coming week for the competition. The comment with a theme that has the most upvotes by the end of the vote in ~48 hours will become the theme for the weekly challenge.

Try not to post any themes that have already been mentioned in the comments so that votes can focus on a single comment. The theme has to follow the rules of this community and sh.itjust.works in general, and cannot be a theme that has already been done.

Already completed themes:

Dieselpunk

Goosebumps Book

Deep Space Wonders