 Cairn by British sculptor Andy Goldsworthy is made from Castlemaine slate, and is located in the only valley on the island.Scaled Stem by Melbourne sculptor Robert Bridgewater is carved from Cupressus macrocarpa.According to Bridgewater, it "is part of a continuing line of enquiry concerned largely with relationships between form, pattern, craft and material and the poetic associations that can be evoked via these relationships".