This modified poster for COP15 has been making the rounds on the internet. I’ve never been to a police state, I’m not going to say this feels like one, except that it feels like how i think one might feel. Copenhagen before and after « Amila Bosnae.
The top ad is from the 1950s, I believe. The bottom one is made by Camilla Brodersen: http://artcamilla.dk/
Thanks for the clarification Amila!