Street artists work on their new pieces on a section of wall near Westbourne Park in north London on March 10. The group aimed to paint larger works that would look more attractive to residents than the "tags" and graffiti that were already on the walls.

Street artists begin creating new work on a section of wall near Westbourne Park in north London on March 10.

A street artist paints over old graffiti as his group begins work on new art on a section of wall near Westbourne Park in north London on March 10.