Petr recounted that many street artists whose works are sold in the Chemistry Gallery started out with illegal tagging on the streets, but have since moved on to do work that is permitted and sanctioned. Nonetheless, like in hip-hop culture, there is a certain need for street cred among the artists, especially as some are becoming quite famous. There is even some amount of envy. So the artists still go back to the streets on occasion, but these occasions are less frequent. Success brings other opportunities to paint – they have offers for exhibition, collaboration with companies and festivals. From the standpoint of growth in an artist´s life, the streets remain important for the younger generation, as sort of a training ground.