Birch Tree (22x15") Original PrintOriginal Cyanotype Print Created by simply pegging the coated paper to a birch tree in Danielle's garden and exposing Print 22x15" on 300gsm Bockingford Watercolour Paper Cyanotype is one of the simplest forms of Photography where chemically treated paper becomes light sensitive, turning a deep Cyan Blue colour when exposed. Danielle has been creating Cyanotypes for last couple of years experimenting with the process, composition, and also the brush