On the Wall
Nicholas Penny, 7 March 2024
When the London Tube emerges into daylight, the walls beside the tracks are laced with dark, dirty and dangerous-looking cables, but at intervals we may glimpse clusters of bold letters sprayed in brilliant colours on the side of a derelict building or a metal shed. And where the high banks of brambles give way to old brick beside the Overground there are long sequences of competitive...