I am totally against graffiti, except for honorable exceptions, I don't consider them art, at all, but I think it's a great idea to organize festivals of Street art so that those exceptions that do rise to the art category are known by many people.
And so we come up Katowice (Poland) where I loved this work, I would say pharaonic) that covers the entire side of a building. In this case, he has recreated, or re-created on something that was already finished, giving new life to space, it is art around the city.
Street art is a emanation of natural energy, which gives the city a completely new character. This is a manifestation of constructive disagreement. The actions are an attempt to get the city and its inhabitants out of the daily routine. They force us to be attentive, to encourage the re-discovery of what we thought was static.
Can you imagine a gigantic trapntojo on a wall in your living room? I love the idea of modern cheating, turn off the light when you leave, please.