Artist Makes Self Portraits Out Of Frozen Blood

What you see here is a self portrait of the ar...  ...detailed cast, that he made out of his own frozen blood . Marc has been making these portraits every fi...  ...ty years. Each piece takes over four liters of blood to construct, which is gathered over a five month...  ...s gathered over a five month per...

http://www.neatorama.com/2012/05/29/artist-makes-self-portraits-out-of-frozen-blood/