Welcome to the London branch of the CHAIN LETTER project. Choose the Presentation Tree link below to see this works submitted by the global network of artists who are united in admiration. The Gathering Tree shows the network as a hyperbolic tree, while the Evolution Tree can show the network at any stage of it's 30 day growth. The Cultivation Tree presents a video animation of evolving shapes that the Gathering Tree took as artists joined it. For further information please visit the about section.