Gustav
Metzger painting with hydrochloric acid on nylon. South Bank, London,
1961/1966
Gustav Metzger, Flailing Trees, 2009, Whitworth Art Gallery
Link to more information about Metzger's work: Tate http://bit.ly/150SN6d
Link to information on Flailing Trees: MIF http://www.mif.co.uk/event/flailing-garden/