For almost six decades Montreal's fabled underground city has been an inspiration to civic planners from around the world. What began as a subterranean pedestrian network beneath Place Ville Marie is now an integral part of the city and a major tourist attraction. It has developed into a parallel metropolis, an amazing labyrinth of passageways, alleys, atriums, and hallways that snake their way along 40 km, connecting 85 downtown skyscrapers, ten hotels, 2000 stores apartment blocks and 68 M