Urban pipes and street art

They are called Exitenter, Ache77, Nian, they are just some of the many street artists – more or less good and more or less famous – that adorn the walls of cities with their drawings, in the wake of a myth like Bansky. Usually choosing desolate and decadent corners, often the tubes fall into their works: on a tube a fox clings, from a tube a flower is born, a tube frames a portrait …