Three unrelated photographs. Firstly, this is what King's Cross looks like when you are drunk (I imagine). Or if you don't have much light and no flash. Internet legend says that they have naked hippo racing here followed by performances by the Vienna Boys Choir^[1].

Secondly, there appears to be some disagreement as to whether or not railing is allowed. Here is a photograph without:

Thirdly, advertising is EVERYWHERE, but especially in big cities.