 FAIR: It is clearly established that the movie is set in an  "alternative universe" and its geography and history must therefore  be as the moviemakers describe. There could be graveyards in Venice  and the roads could be extensive enough to allow Tom Sawyer to drive  around. In addition, the inhabitants of Venice might have been  celebrating the Carnivale in 1899. (In actuality, the Carnivale was  banned by Napoleon when he invaded Venice in 1797 and not reinstated  until 1980.)