It's a bit of a strange human phenomena. Old ally between old brick buildings where it became a tradition for anybody and everybody to chew gum and stick it on the wall. Fun times to be part of history. 😁
It is a tradition to Stick your gum to the wall and add to it.
Brick wall with thousands of people's used gum stuck on it....
The walls are not. People just put a lot of gum on there. It is literally thousands of pieces.
Thanks! Your answer is awaiting moderation.