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xkcd #2832: Urban Planning Opinion Progression
(imgs.xkcd.com)
A community for a webcomic of romance, sarcasm, math, and language.
If you're ever in Copenhagen again, there are 24, 48 and 72 hour tickets that are a bit more expensive than figuring out the system but worth it for short visits.
Also, there's a variant that gives access to almost all museums and lots of other interesting places.