This week Julian is in London. He is here to wow the London public with a drawing which pays homage to one of its most famous landmarks. We find out about Guerrilla art in London in a city blanketed with CCTV cameras. We see one of the last 'walls of fame' out of sight of the cameras for a jam with up to 30 artists from all over London. We also meet graphic designer and legendary guerrilla artist D*Face who has been adorning the streets of London using spray paint, stickers, posters and stencils for years, but has had to retreat to a studio and display his work in a gallery with an increased fear of prosecution. And Arofish a London based graffiti artist who has become as infamous as Banksy with his stencil based drawings all over the capital