Arundel Castle Credit: Nigel Cull The view from the top of Arundel's high street could not be more Dickensian. From beneath the faux-medieval walls of this West Sussex town's landmark castle, I'm looking downhill past neat and well-preserved Georgian and Tudor townhouses. Beyond the mossy rooftops of the market square's centuries-old shops, the shadowy hump of the South Downs rises up against a darkening sky. The square itself is dominated by a rather large Christmas tree whose twinkly lights are echoed by those on the smaller trees adorning each building: just some of the 350 firs bringing f...