Pleasant place 6: topiaryTopiary is the practice of trimming and pruning trees and shrubs into clearly defined and fanciful shapes. As an art form, it is a type of living sculpture, and its practice in Europe dates from Roman times. Featured in this issue are a history of topiary and the changing views of nature by botanical philosopher Norbert Peeters; a conversation with Chris Crowder, head gardener of the celebrated topiary gardens at Levens Hall; the ancient Japanese