He signs his paintings on all the walls of the world with his artist name. Julien Malland, alias Seth, was born in Paris 50 years ago. This multi-talented artist is inspired by his travels and popular cultures to create colorful and poetic walls in many cities around the world. An exhibition Carbon footprint is dedicated to him in Paris on the barge Fluctuarta museum moored on the banks of the Seine under the Pont des Invalides and dedicated to urban art.