In September 2011, Soon Gallery brought German graffiti and street artist Hendrik ECB Beikirch to London to paint one of his well-known greyscale faces. A few days ago, video documentarist Stefan Pohl (who also did that nice Birth of a Spray-Can video) published the corresponding documentary!
When I watched ECB painting at the IBUg 2011 urban art festival, I was highly impressed by his extensive use of water during painting (you can see that also in the video) and his big talent to diversify tones of grey and to compose them in a perfectionist way…
Via molotow.com.