Well, these nice ones are actually commissioned to famous artists for a project to turn the area into a hub for creative and artistic center.

There are also ugly graffiti pieces done by teenagers who are drug addicts in other places. These kids didn’t have the skill to make money from their paint so they are quite frustrated and anti-social social, which is sad. Some really good budding artists would leave their contact details so that people could hire them. Quite a few have become famous and made lots of money.