|While walking home from work I spot what looks like a Banksy on a wall, so I take a picture.|
Then I find out the that artist's name is
I start to watch an film on Banksy called Banksy Does New York. and notice the following image that I've seen before around the city.
I looked at it for a while until I realized that it said HOTTEA. So I searched on this and found some interesting information on the guy that does it.
and more about the origins of it.