I always feel a little furtive taking pictures of people in the street (or station on this occasion), not the most intrepid of street photographers I'd make. It's because I don't like being photographed myself, so always suspect everyone feels the same. Though I know that can't be the case as several of my friends sneak in a cheeky selfie whenever they can. So when I do resort to photographing people I sometimes wait until they are in a position that obscures their identity. As usual I start thinking of monochrome compositions when travelling through Westminster Station and the escalators always seem prime material for my surreptitious snapping.