And now she has arrived. She gets off her bus and looks up at the mansion block in front of her, at the astoundingly expensive yet remarkably nasty properties all around. Just exactly what is it that draws people of wealth and power to this area of London, still? Is it proximity to empty Buckingham Palace? To the old high commercial power of Harrods and Harvey Nichols and the implication of luxury; the park and the Albert Hall? Or is it a kind of recollected habit?