What makes travel special? Perhaps the chill realization that a polar bear's eyes are fixed on you. Maybe it is the chance meeting with a man who buries sharks in a beach, only to dig them up months later, not out of morbid curiosity, but for food. Perhaps it is the undulating wing-beat of a dark shell-less gastropod in the canal of a 17th Century French sea port, or the criminal history of a rusting ship with a tree growing from its hold.Encounters...