 All of Klein's garden sculptures were characterised by a very economical use of materials, some of his timber pergolas were constructed from recycled fence posts, the brick structures were single brick-on-edge technique and the stone buildings and walls were a single skin of flat stones standing on their edges fixed together with a minimal use of cement.The condition of structures was very poor and they required reinforcement or removal.Restoration of the garden included clearing of overgrown areas, moving of underplantings to more suitable areas, improving and mulching soil and replanting appropriate to specific areas i.e.