It might seem strange that a walk in itself can be a work of art. Yet there has long been a tradition of British artist walkers – or walking artists: Francis Alÿs, Richard Long, Hamish Fulton to name but three. Alÿs explains the value of his walks: “A journey implies a destination, so many miles to be consumed, while a walk is its own measure, complete at every point along the way.” Now local artist Mary Hooper has joined the walking ranks as part of the global Sound Walk September Festival. HOT’s Lauris Morgan-Griffiths was intrigued.