I'm glad they only ever point out that there is "no dog walking". Think how tiring it would be if they had to put signs up for everything that wasn't going on.

It is said that:
In England you can do it, unless it says you cant:
In Germany, you cant do it, unless it says you can;
In Ireland you can only do it if it says you cant;
In America you can only do it after your lawyer has said you can