What the fog hides is rather muddy heathland, dotted with ferociously spined mushrooms and haunted by wild dogs. You lose your way a dozen times. Will you ever return to civilisation?
It seems that, this month, it is fashionable for spies to use the heath for message drops. They rely solely on the fog for obscurity. A careful search of mushroom-patches and a rusted bandstand reveals a handful of interesting letters.
