Don't think about it, - the text says.
Of course I think about it!
The news are full of it, here in Norway too.
Passing this wall on the back of the Cathedral, - in the city park, made me stop.
I don't know who have put it up, and so far "google" have not helped to find the answer.
source: Stavanger Daily Photo http://ift.tt/2fpOcXM